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