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