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