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+13 into 6 best min fragment found: 13/5
+ Cut up 13 sticks of length 6 like this:
+ 3 x (14/5 + 16/5)
+ 10 x (13/5 + 17/5)
+ Reassemble as 6 sticks of length 13 like this:
+ 1 x (16/5 + 16/5 + 16/5 + 17/5)
+ 3 x (14/5 + 17/5 + 17/5 + 17/5)
+ 2 x (13/5 + 13/5 + 13/5 + 13/5 + 13/5)