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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 10 9 8 8 7 6 4 4 4 5 5 6 5 4 3 4 5 5 5 5 4 4 4 5 5 6 5 4 4 5 5 5 5 6 6 6 6 5 4 4 4 4 5 6 6 6 7 7 7 5 5 6 7 7 6 5 7 7 7 5 5 6 6 5 5 5 5 4 4 6 6 6 6 5 5 7 7 6 5 6 7 6 5 5 5 5 6 7 7 7 7 6 5 6 7 7 7 6 6 5 4 2 1 1 1 2 2 2 1 1 1 0 0 0 0 1 4 4 4 3 3 3 2 2 1 3 5 6 5 2 1 0 0 3 4 4 4 5 4 1 0 2 4 6 5 3 2 2 4 4 3 1 4 6 5 5 7 5 4 6 6 7 8 6 5 6 8 8 7 6 5 7 7 7 8 5 2 1 4 5 5 6 6 4 2 1 4 8 9 9 9 6 3 2 2 5 8 9 9 9 7 3 1 2 5 8 9 5 2 0 4 7 8 8 7 5 4 5 5 6 5 4 3 2 1 3 6 7 6 7 4 2 1 2 4 5 6 6 4 4 3 2 4 4 4 3 5 5 5 7 6 4 3 4 5 6 6 4 4 2 0 0 4 6 7 8 7 6 6 7 7 6 4 6 6 6 6 7 7 7 7 5 3 2 2 2 2 4 7 8 9 8 5 4 3 3 3 5 8 9 6 3 2 1 1 2 2 2 2 2 3 3 2 2 2 3 3 3 3 4 4 5 6 6 6 6 6 6 5 3 2 2 2 2 2 3 3 2 2 2 2 2 2 2 3 5 6 7 7 7 6 4 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 1 0 0 0 0 0 1 2 2 3 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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