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+22 into 20 best min fragment found: 7
+ Cut up 22 sticks of length 20 like this:
+ 2 x (10 + 10)
+ 8 x (9 + 11)
+ 4 x (8 + 12)
+ 8 x (7 + 13)
+ Reassemble as 20 sticks of length 22 like this:
+ 4 x (11 + 11)
+ 4 x (10 + 12)
+ 8 x (9 + 13)
+ 4 x (7 + 7 + 8)