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