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