25 into 13 best min fragment found: 14/3
  Cut up 25 sticks of length 13 like this:
    3 x (19/3 + 20/3)
    3 x (17/3 + 22/3)
    3 x (16/3 + 23/3)
    1 x (5 + 8)
    15 x (14/3 + 25/3)
  Reassemble as 13 sticks of length 25 like this:
    2 x (25/3 + 25/3 + 25/3)
    3 x (14/3 + 17/3 + 19/3 + 25/3)
    3 x (14/3 + 16/3 + 20/3 + 25/3)
    1 x (14/3 + 5 + 23/3 + 23/3)
    1 x (14/3 + 14/3 + 23/3 + 8)
    3 x (14/3 + 14/3 + 22/3 + 25/3)