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