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