20
15 11 17 16 20 18 12 19 13 14 
19 11 14 18 15 20 12 13 16 17 
17 20 13 16 14 15 19 18 12 11 
11 17 19 14 13 18 20 15 12 16 
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20 17 12 13 15 11 19 18 16 14 
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13 11 14 15 16 12 19 18 20 17 
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