0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,
21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0,
11,5,10,12,13,6,17,2,21,0,18,9,3,20,15,19,1,16,4,7,8,14,
14,8,7,4,16,1,19,15,20,3,9,18,0,21,2,17,6,13,12,10,5,11,
10,3,1,15,8,0,16,14,6,21,5,13,20,11,2,19,4,7,12,18,17,9,
9,17,18,12,7,4,19,2,11,20,13,5,21,6,14,16,0,8,15,1,3,10,
13,5,1,14,19,18,0,16,21,17,3,10,8,7,9,12,15,4,6,11,2,20,
20,2,11,6,4,15,12,9,7,8,10,3,17,21,16,0,18,19,14,1,5,13,
7,17,9,15,10,11,1,19,4,8,13,0,18,5,14,20,12,16,6,2,21,3,
3,21,2,6,16,12,20,14,5,18,0,13,8,4,19,1,11,10,15,9,17,7,
4,18,10,20,14,3,17,2,21,8,0,9,7,11,5,19,16,1,15,6,13,12,
12,13,6,15,1,16,19,5,11,7,9,0,8,21,2,17,3,14,20,10,18,4,
7,16,18,2,10,4,12,21,15,3,17,13,14,19,5,1,11,20,6,8,0,9,
9,0,8,6,20,11,1,5,19,14,13,17,3,15,21,12,4,10,2,18,16,7,
0,15,6,3,18,9,14,17,2,5,11,4,20,10,1,12,13,19,8,7,21,16,
16,21,7,8,19,13,12,1,10,20,4,11,5,2,17,14,9,18,3,6,15,0,
1,17,6,8,13,3,10,18,4,21,7,0,2,15,12,16,5,20,11,14,9,19,
19,9,14,11,20,5,16,12,15,2,0,7,21,4,18,10,3,13,8,6,17,1,
21,2,10,13,11,14,3,1,16,4,20,18,7,6,5,0,9,19,8,17,15,12,
12,15,17,8,19,9,0,5,6,7,18,20,4,16,1,3,14,11,13,10,2,21,
5,3,1,14,21,9,17,7,10,13,12,15,0,19,6,20,2,8,11,18,4,16,
16,4,18,11,8,2,20,6,19,0,15,12,13,10,7,17,9,21,14,1,3,5,