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2 1 2 3 4 7 11 15 19 20 21 20 19 20 21 21 21 21 22 22 23 23 22 22 20 21 19 17 16 13 10 12 11 10 9 7 7 8 7 6 5 1 0 1 1 3 5 7 9 8 9 8 6 7 6 8 8 7 4 6 6 6 5 5 5 4 4 4 4 4 4 4 5 5 5 5 4 4 4 4 4 4 4 5 6 6 6 8 8 7 7 5 5 5 6 7 7 8 8 9 10 10 9 9 9 8 9 8 8 8 8 8 8 8 7 7 8 8 7 6 6 4 6 7 6 5 6 6 5 6 6 6 6 5 6 6 6 7 7 7 7 7 7 7 8 8 9 10 11 12 12 12 11 10 10 9 7 8 10 13 14 14 14 14 14 14 16 19 20 19 18 17 17 18 19 21 22 18 18888888888999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999888888888888888888 21 22 19 19 18 17 14 13 16 18 21 22 22 22 22 23 21 22 21 21 21 21 21 21 22 20 21 22 21 20 20 20 20 20 20 20 20 19 21 22 23 23 24 24 25 25 25 24 25 25 25 26 26 27 24 24 25 25 26 26 27 27 29 29 27 28 29 29 29 29 30 30 30 31 30 29 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 31 31 32 32 32 32 33 32 33 33 33 32 32 33 33 33 33 33 32 32 32 33 32 32 31 31 32 31 31 32 33 31 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