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