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