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