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+23 into 21 best min fragment found: 29/4
+ Cut up 23 sticks of length 21 like this:
+ 1 x (21/2 + 21/2)
+ 4 x (39/4 + 45/4)
+ 2 x (19/2 + 23/2)
+ 4 x (37/4 + 47/4)
+ 2 x (17/2 + 25/2)
+ 4 x (31/4 + 53/4)
+ 2 x (15/2 + 27/2)
+ 4 x (29/4 + 55/4)
+ Reassemble as 21 sticks of length 23 like this:
+ 1 x (23/2 + 23/2)
+ 4 x (45/4 + 47/4)
+ 2 x (21/2 + 25/2)
+ 4 x (39/4 + 53/4)
+ 2 x (19/2 + 27/2)
+ 4 x (37/4 + 55/4)
+ 2 x (15/2 + 31/4 + 31/4)
+ 2 x (29/4 + 29/4 + 17/2)