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