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