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