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