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