12 comes before _, 11, 14, 10, 13, 12 comes after _, 11, 14, 10, 13, 12 is found between, 11, 14, 10, 13, 13 comes before _, 15, 14, 12, 16, 13 comes after _, 15, 14, 12, 16, 13 is found between _ and _, 15, 14, 12, 16, 19 comes before _, 16, 18, 20, 17, 19 comes after _, 16, 18, 20, 17, 19 is found between _ and _, 16, 18, 20, 17, 16 comes before _, 15, 18, 20, 17, 16 comes after _, 15, 18, 20, 17, 16 is found between _ and _, 15, 18, 20, 17, 14 comes before_, 15, 11, 13, 17, 14 comes after_, 15, 11, 13, 17, 14 is found between _ and _, 15, 11, 13, 17

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