25 into 9 best min fragment found: 4
  Cut up 25 sticks of length 9 like this:
    25 x (4 + 5)
  Reassemble as 9 sticks of length 25 like this:
    4 x (5 + 5 + 5 + 5 + 5)
    5 x (4 + 4 + 4 + 4 + 4 + 5)