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