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288dabfeb1824e3864cbf6258ebcf48161f28c12
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partition.25.20
1
25 into 20 best min fragment found: 15/2
2
Cut up 25 sticks of length 20 like this:
3
5 x (10 + 10)
4
20 x (15/2 + 25/2)
5
Reassemble as 20 sticks of length 25 like this:
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10 x (25/2 + 25/2)
7
10 x (15/2 + 15/2 + 10)