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nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 18 17 16 16 16 15 15 15 16 18 19 20 22 24 26 27 28 29 29 28 27 25 22 20 18 17 16 15 15 14 14 14 14 14 14 13 13 13 13 13 12 11 10 9 8 8 8 9 10 12 14 15 15 15 14 13 13 11 10 9 9 8 8 8 9 9 9 8 8 8 8 9 9 9 8 8 8 9 9 10 11 11 12 12 12 11 11 11 11 11 10 10 9 9 8 8 8 8 8 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 21 21 21 20 20 20 19 19 19 18 18 17 17 16 16 15 14 13 13 12 11 11 10 9 8 8 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 2 3 3 3 3 4 3 4 4 4 4 4 5 5 5 6 7 8 8 9 9 10 10 10 11 11 12 12 13 13 13 13 14 14 14 14 14 14 15 15 15 15 16 16 16 16 16 15 15 14 14 13 12 11 11 10 10 10 10 9 9 9 9 10 10 11 11 12 12 12 11 10 9 9 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 10 12 nan nan nan nan nan 15 17 18 18 nan nan nan nan nan 17 17 16 nan nan nan nan nan nan nan nan nan nan nan nan nan 10 10 10 10 10 9 9 10 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 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