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+30 into 23 best min fragment found: 8
+ Cut up 30 sticks of length 23 like this:
+ 6 x (10 + 13)
+ 6 x (9 + 14)
+ 18 x (8 + 15)
+ Reassemble as 23 sticks of length 30 like this:
+ 9 x (15 + 15)
+ 2 x (10 + 10 + 10)
+ 6 x (8 + 9 + 13)
+ 6 x (8 + 8 + 14)