1Cost = 4 2Pieces = 3 [1, 1, 1, 1, 0, 0, 0, 0] 4Items = 5 0 0 1 1 0 0 0 0 6 0 2 0 0 0 0 0 0 7 3 0 1 0 0 0 0 0 8 9---------- 10==========