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