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