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