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