0 1  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  1 14  1 15  1 16  17 18
0 1  0 16  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  1 14  1 15  16 17  16 18
0 1  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  1 14  1 15  16 17
0 1  0 15  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  1 14  15 16  15 17  15 18
0 1  0 15  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  1 14  15 16  15 17
0 1  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  1 14  15 16  17 18
0 1  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  1 14  15 16
0 1  0 14  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  14 15  14 16  14 17  14 18
0 1  0 14  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  14 15  14 16  14 17
0 1  0 14  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  14 15  14 16  17 18
0 1  0 14  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  14 15  14 16
0 1  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  14 15  16 17
0 1  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  1 13  14 15
0 1  0 13  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  13 14  13 15  13 16  13 17  13 18
0 1  0 13  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  13 14  13 15  13 16  13 17
0 1  0 13  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  13 14  13 15  13 16  17 18
0 1  0 13  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  13 14  13 15  13 16
0 1  0 13  0 16  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  13 14  13 15  16 17  16 18
0 1  0 13  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  13 14  13 15  16 17
0 1  0 13  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  13 14  13 15
0 1  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  13 14  15 16  17 18
0 1  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  13 14  15 16
0 1  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  1 12  13 14
0 1  0 12  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14  12 15  12 16  12 17  12 18
0 1  0 12  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14  12 15  12 16  12 17
0 1  0 12  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14  12 15  12 16  17 18
0 1  0 12  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14  12 15  12 16
0 1  0 12  0 16  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14  12 15  16 17  16 18
0 1  0 12  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14  12 15  16 17
0 1  0 12  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14  12 15
0 1  0 12  0 15  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14  15 16  15 17
0 1  0 12  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14  15 16  17 18
0 1  0 12  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14  15 16
0 1  0 12  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  12 14
0 1  0 12  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  14 15  16 17
0 1  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13  14 15
0 1  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  1 11  12 13
0 1  0 11  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  11 15  11 16  11 17  11 18
0 1  0 11  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  11 15  11 16  11 17
0 1  0 11  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  11 15  11 16  17 18
0 1  0 11  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  11 15  11 16
0 1  0 11  0 16  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  11 15  16 17  16 18
0 1  0 11  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  11 15  16 17
0 1  0 11  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  11 15
0 1  0 11  0 15  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  15 16  15 17  15 18
0 1  0 11  0 15  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  15 16  15 17
0 1  0 11  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  15 16  17 18
0 1  0 11  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14  15 16
0 1  0 11  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  11 14
0 1  0 11  0 14  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  14 15  14 16  17 18
0 1  0 11  0 14  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  14 15  14 16
0 1  0 11  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  14 15  16 17
0 1  0 11  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13  14 15
0 1  0 11  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  11 13
0 1  0 11  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  13 14  15 16  17 18
0 1  0 11  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  13 14  15 16
0 1  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12  13 14
0 1  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  1 10  11 12
0 1  0 10  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  10 15  10 16  10 17  10 18
0 1  0 10  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  10 15  10 16  10 17
0 1  0 10  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  10 15  10 16  17 18
0 1  0 10  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  10 15  10 16
0 1  0 10  0 16  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  10 15  16 17  16 18
0 1  0 10  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  10 15  16 17
0 1  0 10  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  10 15
0 1  0 10  0 15  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  15 16  15 17  15 18
0 1  0 10  0 15  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  15 16  15 17
0 1  0 10  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  15 16  17 18
0 1  0 10  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14  15 16
0 1  0 10  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  10 14
0 1  0 10  0 14  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  14 15  14 16  14 17
0 1  0 10  0 14  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  14 15  14 16  17 18
0 1  0 10  0 14  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  14 15  14 16
0 1  0 10  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  14 15  16 17
0 1  0 10  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13  14 15
0 1  0 10  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  10 13
0 1  0 10  0 13  0 16  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  13 14  13 15  16 17  16 18
0 1  0 10  0 13  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  13 14  13 15  16 17
0 1  0 10  0 13  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  13 14  13 15
0 1  0 10  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  13 14  15 16  17 18
0 1  0 10  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  13 14  15 16
0 1  0 10  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12  13 14
0 1  0 10  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  10 12
0 1  0 10  0 12  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  12 13  14 15  16 17
0 1  0 10  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  12 13  14 15
0 1  0 10  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11  12 13
0 1  0 10  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  1 9  10 11
0 1  0 9  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  9 14  9 15  9 16  17 18
0 1  0 9  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  9 14  9 15  9 16
0 1  0 9  0 16  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  9 14  9 15  16 17  16 18
0 1  0 9  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  9 14  9 15  16 17
0 1  0 9  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  9 14  9 15
0 1  0 9  0 15  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  9 14  15 16  15 17  15 18
0 1  0 9  0 15  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  9 14  15 16  15 17
0 1  0 9  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  9 14  15 16  17 18
0 1  0 9  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  9 14  15 16
0 1  0 9  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  9 14
0 1  0 9  0 14  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  14 15  14 16  14 17  14 18
0 1  0 9  0 14  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  14 15  14 16  14 17
0 1  0 9  0 14  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  14 15  14 16  17 18
0 1  0 9  0 14  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  14 15  14 16
0 1  0 9  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  14 15  16 17
0 1  0 9  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13  14 15
0 1  0 9  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  9 13
0 1  0 9  0 13  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  13 14  13 15  13 16  17 18
0 1  0 9  0 13  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  13 14  13 15  13 16
0 1  0 9  0 13  0 16  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  13 14  13 15  16 17  16 18
0 1  0 9  0 13  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  13 14  13 15  16 17
0 1  0 9  0 13  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  13 14  13 15
0 1  0 9  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  13 14  15 16  17 18
0 1  0 9  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  13 14  15 16
0 1  0 9  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12  13 14
0 1  0 9  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  9 12
0 1  0 9  0 12  0 15  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  12 13  12 14  15 16  15 17
0 1  0 9  0 12  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  12 13  12 14  15 16  17 18
0 1  0 9  0 12  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  12 13  12 14  15 16
0 1  0 9  0 12  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  12 13  12 14
0 1  0 9  0 12  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  12 13  14 15  16 17
0 1  0 9  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  12 13  14 15
0 1  0 9  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11  12 13
0 1  0 9  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  9 11
0 1  0 9  0 11  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  11 12  13 14  15 16  17 18
0 1  0 9  0 11  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  11 12  13 14  15 16
0 1  0 9  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  11 12  13 14
0 1  0 9  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10  11 12
0 1  0 9  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  1 8  9 10
0 1  0 8  0 15  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  8 14  15 16  15 17  15 18
0 1  0 8  0 15  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  8 14  15 16  15 17
0 1  0 8  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  8 14  15 16  17 18
0 1  0 8  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  8 14  15 16
0 1  0 8  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  8 14
0 1  0 8  0 14  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  14 15  14 16  14 17  14 18
0 1  0 8  0 14  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  14 15  14 16  14 17
0 1  0 8  0 14  0 17  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  14 15  14 16  17 18
0 1  0 8  0 14  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  14 15  14 16
0 1  0 8  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  14 15  16 17
0 1  0 8  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13  14 15
0 1  0 8  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  8 13
0 1  0 8  0 13  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  13 14  13 15  13 16  13 17
0 1  0 8  0 13  0 17  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  13 14  13 15  13 16  17 18
0 1  0 8  0 13  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  13 14  13 15  13 16
0 1  0 8  0 13  0 16  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  13 14  13 15  16 17  16 18
0 1  0 8  0 13  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  13 14  13 15  16 17
0 1  0 8  0 13  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  13 14  13 15
0 1  0 8  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  13 14  15 16  17 18
0 1  0 8  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  13 14  15 16
0 1  0 8  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12  13 14
0 1  0 8  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  8 12
0 1  0 8  0 12  0 16  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  12 13  12 14  12 15  16 17  16 18
0 1  0 8  0 12  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  12 13  12 14  12 15  16 17
0 1  0 8  0 12  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  12 13  12 14  12 15
0 1  0 8  0 12  0 15  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  12 13  12 14  15 16  15 17
0 1  0 8  0 12  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  12 13  12 14  15 16  17 18
0 1  0 8  0 12  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  12 13  12 14  15 16
0 1  0 8  0 12  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  12 13  12 14
0 1  0 8  0 12  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  12 13  14 15  16 17
0 1  0 8  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  12 13  14 15
0 1  0 8  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11  12 13
0 1  0 8  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  8 11
0 1  0 8  0 11  0 14  0 17  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  11 12  11 13  14 15  14 16  17 18
0 1  0 8  0 11  0 14  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  11 12  11 13  14 15  14 16
0 1  0 8  0 11  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  11 12  11 13  14 15  16 17
0 1  0 8  0 11  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  11 12  11 13  14 15
0 1  0 8  0 11  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  11 12  11 13
0 1  0 8  0 11  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  11 12  13 14  15 16  17 18
0 1  0 8  0 11  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  11 12  13 14  15 16
0 1  0 8  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  11 12  13 14
0 1  0 8  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10  11 12
0 1  0 8  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  8 10
0 1  0 8  0 10  0 12  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  10 11  12 13  14 15  16 17
0 1  0 8  0 10  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  10 11  12 13  14 15
0 1  0 8  0 10  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  10 11  12 13
0 1  0 8  0 10  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9  10 11
0 1  0 8  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  1 7  8 9
0 1  0 7  0 13  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12  13 14  13 15  13 16  13 17  13 18
0 1  0 7  0 13  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12  13 14  13 15  13 16  13 17
0 1  0 7  0 13  0 17  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12  13 14  13 15  13 16  17 18
0 1  0 7  0 13  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12  13 14  13 15  13 16
0 1  0 7  0 13  0 16  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12  13 14  13 15  16 17  16 18
0 1  0 7  0 13  0 16  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12  13 14  13 15  16 17
0 1  0 7  0 13  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12  13 14  13 15
0 1  0 7  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12  13 14  15 16  17 18
0 1  0 7  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12  13 14  15 16
0 1  0 7  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12  13 14
0 1  0 7  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  7 12
0 1  0 7  0 12  0 17  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  12 14  12 15  12 16  17 18
0 1  0 7  0 12  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  12 14  12 15  12 16
0 1  0 7  0 12  0 16  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  12 14  12 15  16 17  16 18
0 1  0 7  0 12  0 16  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  12 14  12 15  16 17
0 1  0 7  0 12  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  12 14  12 15
0 1  0 7  0 12  0 15  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  12 14  15 16  15 17
0 1  0 7  0 12  0 15  0 17  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  12 14  15 16  17 18
0 1  0 7  0 12  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  12 14  15 16
0 1  0 7  0 12  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  12 14
0 1  0 7  0 12  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  14 15  16 17
0 1  0 7  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13  14 15
0 1  0 7  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11  12 13
0 1  0 7  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  7 11
0 1  0 7  0 11  0 15  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  11 13  11 14  15 16  15 17  15 18
0 1  0 7  0 11  0 15  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  11 13  11 14  15 16  15 17
0 1  0 7  0 11  0 15  0 17  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  11 13  11 14  15 16  17 18
0 1  0 7  0 11  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  11 13  11 14  15 16
0 1  0 7  0 11  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  11 13  11 14
0 1  0 7  0 11  0 14  0 17  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  11 13  14 15  14 16  17 18
0 1  0 7  0 11  0 14  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  11 13  14 15  14 16
0 1  0 7  0 11  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  11 13  14 15  16 17
0 1  0 7  0 11  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  11 13  14 15
0 1  0 7  0 11  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  11 13
0 1  0 7  0 11  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  13 14  15 16  17 18
0 1  0 7  0 11  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  13 14  15 16
0 1  0 7  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12  13 14
0 1  0 7  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10  11 12
0 1  0 7  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  7 10
0 1  0 7  0 10  0 13  0 16  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11  10 12  13 14  13 15  16 17  16 18
0 1  0 7  0 10  0 13  0 16  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11  10 12  13 14  13 15  16 17
0 1  0 7  0 10  0 13  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11  10 12  13 14  13 15
0 1  0 7  0 10  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11  10 12  13 14  15 16  17 18
0 1  0 7  0 10  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11  10 12  13 14  15 16
0 1  0 7  0 10  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11  10 12  13 14
0 1  0 7  0 10  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11  10 12
0 1  0 7  0 10  0 12  0 14  0 16  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11  12 13  14 15  16 17
0 1  0 7  0 10  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11  12 13  14 15
0 1  0 7  0 10  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11  12 13
0 1  0 7  0 10  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9  10 11
0 1  0 7  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  7 9
0 1  0 7  0 9  0 11  0 13  0 15  0 17  1 2  1 3  1 4  1 5  1 6  7 8  9 10  11 12  13 14  15 16  17 18
0 1  0 7  0 9  0 11  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  9 10  11 12  13 14  15 16
0 1  0 7  0 9  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  9 10  11 12  13 14
0 1  0 7  0 9  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  9 10  11 12
0 1  0 7  0 9  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8  9 10
0 1  0 7  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  1 6  7 8
0 1  0 6  0 11  0 16  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  11 14  11 15  16 17  16 18
0 1  0 6  0 11  0 16  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  11 14  11 15  16 17
0 1  0 6  0 11  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  11 14  11 15
0 1  0 6  0 11  0 15  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  11 14  15 16  15 17  15 18
0 1  0 6  0 11  0 15  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  11 14  15 16  15 17
0 1  0 6  0 11  0 15  0 17  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  11 14  15 16  17 18
0 1  0 6  0 11  0 15  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  11 14  15 16
0 1  0 6  0 11  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  11 14
0 1  0 6  0 11  0 14  0 17  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  14 15  14 16  17 18
0 1  0 6  0 11  0 14  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  14 15  14 16
0 1  0 6  0 11  0 14  0 16  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  14 15  16 17
0 1  0 6  0 11  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13  14 15
0 1  0 6  0 11  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  11 13
0 1  0 6  0 11  0 13  0 15  0 17  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  13 14  15 16  17 18
0 1  0 6  0 11  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  13 14  15 16
0 1  0 6  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12  13 14
0 1  0 6  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10  11 12
0 1  0 6  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  6 10
0 1  0 6  0 10  0 14  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  10 13  14 15  14 16  14 17
0 1  0 6  0 10  0 14  0 17  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  10 13  14 15  14 16  17 18
0 1  0 6  0 10  0 14  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  10 13  14 15  14 16
0 1  0 6  0 10  0 14  0 16  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  10 13  14 15  16 17
0 1  0 6  0 10  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  10 13  14 15
0 1  0 6  0 10  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  10 13
0 1  0 6  0 10  0 13  0 16  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  13 14  13 15  16 17  16 18
0 1  0 6  0 10  0 13  0 16  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  13 14  13 15  16 17
0 1  0 6  0 10  0 13  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  13 14  13 15
0 1  0 6  0 10  0 13  0 15  0 17  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  13 14  15 16  17 18
0 1  0 6  0 10  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  13 14  15 16
0 1  0 6  0 10  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12  13 14
0 1  0 6  0 10  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  10 12
0 1  0 6  0 10  0 12  0 14  0 16  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  12 13  14 15  16 17
0 1  0 6  0 10  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  12 13  14 15
0 1  0 6  0 10  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11  12 13
0 1  0 6  0 10  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9  10 11
0 1  0 6  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  6 9
0 1  0 6  0 9  0 12  0 15  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10  9 11  12 13  12 14  15 16  15 17
0 1  0 6  0 9  0 12  0 15  0 17  1 2  1 3  1 4  1 5  6 7  6 8  9 10  9 11  12 13  12 14  15 16  17 18
0 1  0 6  0 9  0 12  0 15  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10  9 11  12 13  12 14  15 16
0 1  0 6  0 9  0 12  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10  9 11  12 13  12 14
0 1  0 6  0 9  0 12  0 14  0 16  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10  9 11  12 13  14 15  16 17
0 1  0 6  0 9  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10  9 11  12 13  14 15
0 1  0 6  0 9  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10  9 11  12 13
0 1  0 6  0 9  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10  9 11
0 1  0 6  0 9  0 11  0 13  0 15  0 17  1 2  1 3  1 4  1 5  6 7  6 8  9 10  11 12  13 14  15 16  17 18
0 1  0 6  0 9  0 11  0 13  0 15  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10  11 12  13 14  15 16
0 1  0 6  0 9  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10  11 12  13 14
0 1  0 6  0 9  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10  11 12
0 1  0 6  0 9  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8  9 10
0 1  0 6  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  6 8
0 1  0 6  0 8  0 10  0 12  0 14  0 16  0 18  1 2  1 3  1 4  1 5  6 7  8 9  10 11  12 13  14 15  16 17
0 1  0 6  0 8  0 10  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  8 9  10 11  12 13  14 15
0 1  0 6  0 8  0 10  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  8 9  10 11  12 13
0 1  0 6  0 8  0 10  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  8 9  10 11
0 1  0 6  0 8  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7  8 9
0 1  0 6  0 8  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  1 5  6 7
0 1  0 5  0 9  0 13  0 17  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  9 12  13 14  13 15  13 16  17 18
0 1  0 5  0 9  0 13  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  9 12  13 14  13 15  13 16
0 1  0 5  0 9  0 13  0 16  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  9 12  13 14  13 15  16 17  16 18
0 1  0 5  0 9  0 13  0 16  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  9 12  13 14  13 15  16 17
0 1  0 5  0 9  0 13  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  9 12  13 14  13 15
0 1  0 5  0 9  0 13  0 15  0 17  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  9 12  13 14  15 16  17 18
0 1  0 5  0 9  0 13  0 15  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  9 12  13 14  15 16
0 1  0 5  0 9  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  9 12  13 14
0 1  0 5  0 9  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  9 12
0 1  0 5  0 9  0 12  0 15  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  12 13  12 14  15 16  15 17
0 1  0 5  0 9  0 12  0 15  0 17  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  12 13  12 14  15 16  17 18
0 1  0 5  0 9  0 12  0 15  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  12 13  12 14  15 16
0 1  0 5  0 9  0 12  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  12 13  12 14
0 1  0 5  0 9  0 12  0 14  0 16  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  12 13  14 15  16 17
0 1  0 5  0 9  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  12 13  14 15
0 1  0 5  0 9  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11  12 13
0 1  0 5  0 9  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  9 11
0 1  0 5  0 9  0 11  0 13  0 15  0 17  1 2  1 3  1 4  5 6  5 7  5 8  9 10  11 12  13 14  15 16  17 18
0 1  0 5  0 9  0 11  0 13  0 15  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  11 12  13 14  15 16
0 1  0 5  0 9  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  11 12  13 14
0 1  0 5  0 9  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10  11 12
0 1  0 5  0 9  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8  9 10
0 1  0 5  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  5 8
0 1  0 5  0 8  0 11  0 14  0 17  1 2  1 3  1 4  5 6  5 7  8 9  8 10  11 12  11 13  14 15  14 16  17 18
0 1  0 5  0 8  0 11  0 14  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9  8 10  11 12  11 13  14 15  14 16
0 1  0 5  0 8  0 11  0 14  0 16  0 18  1 2  1 3  1 4  5 6  5 7  8 9  8 10  11 12  11 13  14 15  16 17
0 1  0 5  0 8  0 11  0 14  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9  8 10  11 12  11 13  14 15
0 1  0 5  0 8  0 11  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9  8 10  11 12  11 13
0 1  0 5  0 8  0 11  0 13  0 15  0 17  1 2  1 3  1 4  5 6  5 7  8 9  8 10  11 12  13 14  15 16  17 18
0 1  0 5  0 8  0 11  0 13  0 15  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9  8 10  11 12  13 14  15 16
0 1  0 5  0 8  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9  8 10  11 12  13 14
0 1  0 5  0 8  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9  8 10  11 12
0 1  0 5  0 8  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9  8 10
0 1  0 5  0 8  0 10  0 12  0 14  0 16  0 18  1 2  1 3  1 4  5 6  5 7  8 9  10 11  12 13  14 15  16 17
0 1  0 5  0 8  0 10  0 12  0 14  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9  10 11  12 13  14 15
0 1  0 5  0 8  0 10  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9  10 11  12 13
0 1  0 5  0 8  0 10  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9  10 11
0 1  0 5  0 8  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7  8 9
0 1  0 5  0 8  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  5 7
0 1  0 5  0 7  0 9  0 11  0 13  0 15  0 17  1 2  1 3  1 4  5 6  7 8  9 10  11 12  13 14  15 16  17 18
0 1  0 5  0 7  0 9  0 11  0 13  0 15  0 17  0 18  1 2  1 3  1 4  5 6  7 8  9 10  11 12  13 14  15 16
0 1  0 5  0 7  0 9  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  7 8  9 10  11 12  13 14
0 1  0 5  0 7  0 9  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  7 8  9 10  11 12
0 1  0 5  0 7  0 9  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  7 8  9 10
0 1  0 5  0 7  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6  7 8
0 1  0 5  0 7  0 8  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  1 4  5 6
0 1  0 4  0 7  0 10  0 13  0 16  1 2  1 3  4 5  4 6  7 8  7 9  10 11  10 12  13 14  13 15  16 17  16 18
0 1  0 4  0 7  0 10  0 13  0 16  0 18  1 2  1 3  4 5  4 6  7 8  7 9  10 11  10 12  13 14  13 15  16 17
0 1  0 4  0 7  0 10  0 13  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8  7 9  10 11  10 12  13 14  13 15
0 1  0 4  0 7  0 10  0 13  0 15  0 17  1 2  1 3  4 5  4 6  7 8  7 9  10 11  10 12  13 14  15 16  17 18
0 1  0 4  0 7  0 10  0 13  0 15  0 17  0 18  1 2  1 3  4 5  4 6  7 8  7 9  10 11  10 12  13 14  15 16
0 1  0 4  0 7  0 10  0 13  0 15  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8  7 9  10 11  10 12  13 14
0 1  0 4  0 7  0 10  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8  7 9  10 11  10 12
0 1  0 4  0 7  0 10  0 12  0 14  0 16  0 18  1 2  1 3  4 5  4 6  7 8  7 9  10 11  12 13  14 15  16 17
0 1  0 4  0 7  0 10  0 12  0 14  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8  7 9  10 11  12 13  14 15
0 1  0 4  0 7  0 10  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8  7 9  10 11  12 13
0 1  0 4  0 7  0 10  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8  7 9  10 11
0 1  0 4  0 7  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8  7 9
0 1  0 4  0 7  0 9  0 11  0 13  0 15  0 17  1 2  1 3  4 5  4 6  7 8  9 10  11 12  13 14  15 16  17 18
0 1  0 4  0 7  0 9  0 11  0 13  0 15  0 17  0 18  1 2  1 3  4 5  4 6  7 8  9 10  11 12  13 14  15 16
0 1  0 4  0 7  0 9  0 11  0 13  0 15  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8  9 10  11 12  13 14
0 1  0 4  0 7  0 9  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8  9 10  11 12
0 1  0 4  0 7  0 9  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8  9 10
0 1  0 4  0 7  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  4 6  7 8
0 1  0 4  0 7  0 8  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  4 6
0 1  0 4  0 6  0 8  0 10  0 12  0 14  0 16  0 18  1 2  1 3  4 5  6 7  8 9  10 11  12 13  14 15  16 17
0 1  0 4  0 6  0 8  0 10  0 12  0 14  0 16  0 17  0 18  1 2  1 3  4 5  6 7  8 9  10 11  12 13  14 15
0 1  0 4  0 6  0 8  0 10  0 12  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  6 7  8 9  10 11  12 13
0 1  0 4  0 6  0 8  0 10  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  6 7  8 9  10 11
0 1  0 4  0 6  0 8  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  6 7  8 9
0 1  0 4  0 6  0 8  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5  6 7
0 1  0 4  0 6  0 7  0 8  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  1 3  4 5
0 1  0 3  0 5  0 7  0 9  0 11  0 13  0 15  0 17  1 2  3 4  5 6  7 8  9 10  11 12  13 14  15 16  17 18
0 1  0 3  0 5  0 7  0 9  0 11  0 13  0 15  0 17  0 18  1 2  3 4  5 6  7 8  9 10  11 12  13 14  15 16
0 1  0 3  0 5  0 7  0 9  0 11  0 13  0 15  0 16  0 17  0 18  1 2  3 4  5 6  7 8  9 10  11 12  13 14
0 1  0 3  0 5  0 7  0 9  0 11  0 13  0 14  0 15  0 16  0 17  0 18  1 2  3 4  5 6  7 8  9 10  11 12
0 1  0 3  0 5  0 7  0 9  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  3 4  5 6  7 8  9 10
0 1  0 3  0 5  0 7  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  3 4  5 6  7 8
0 1  0 3  0 5  0 7  0 8  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  3 4  5 6
0 1  0 3  0 5  0 6  0 7  0 8  0 9  0 10  0 11  0 12  0 13  0 14  0 15  0 16  0 17  0 18  1 2  3 4
