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+7 into 5 best min fragment found: 5/3
+ Cut up 7 sticks of length 5 like this:
+ 2 x (7/3 + 8/3)
+ 2 x (2 + 3)
+ 3 x (5/3 + 5/3 + 5/3)
+ Reassemble as 5 sticks of length 7 like this:
+ 1 x (5/3 + 8/3 + 8/3)
+ 2 x (5/3 + 7/3 + 3)
+ 2 x (5/3 + 5/3 + 5/3 + 2)