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