7,8,9 __, 8, 10, 6, 2, 3,___,5, 4, 5, 3, 10.11,12,__, 9, 8, 13, 1,2,3,___,5, 4, 6, 5, 8,9,10,___,12, 12, 5, 11, 11,12,13,_____, 14, 3, 5, 15,16,17,18,__, 20, 21, 19, 3,4,5,6,___, 7, 8, 9, 1,2,__,4,5, 3, 6, 7, ___,12,13,14., 10, 9, 11, 12,13,14,__,16,__,18, 15 and 17, 3 and 14, 15 and 16, 16,17,18,19,__, 22, 20, 21, 8,9,___,11,12, 10, 20, 15

Missing Numbers-1-20

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