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+22 into 15 best min fragment found: 5
+ Cut up 22 sticks of length 15 like this:
+ 6 x (7 + 8)
+ 6 x (6 + 9)
+ 10 x (5 + 5 + 5)
+ Reassemble as 15 sticks of length 22 like this:
+ 6 x (5 + 8 + 9)
+ 3 x (5 + 5 + 6 + 6)
+ 6 x (5 + 5 + 5 + 7)