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