10+5=, 12, 11, 10, 15, 18=10+....., 6, 7, 8, 5, Choose the light, Choose the heavy, After number 19 ....., 15, 12, 20, 10, before number 14...., 13, 16, choose the tallest, choose the shortest, choose the cone, 6-4=, 3, 2, 8-4=, 2, 4, Ascending order 5,7,3,1, 1,3,5,7, 7,5,3,1

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