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