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