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partition.20.19
1
20 into 19 best min fragment found: 13/2
2
Cut up 20 sticks of length 19 like this:
3
2 x (19/2 + 19/2)
4
2 x (9 + 10)
5
4 x (17/2 + 21/2)
6
2 x (8 + 11)
7
4 x (15/2 + 23/2)
8
2 x (7 + 12)
9
4 x (13/2 + 25/2)
10
Reassemble as 19 sticks of length 20 like this:
11
1 x (10 + 10)
12
4 x (19/2 + 21/2)
13
2 x (9 + 11)
14
4 x (17/2 + 23/2)
15
2 x (8 + 12)
16
4 x (15/2 + 25/2)
17
2 x (13/2 + 13/2 + 7)