25 into 4: min fragment 23/12   [v1-66-g4e22cc3]
  Cut up 25 sticks of length 4 like this:
    24 x (25/12 + 23/12)
    1 x (2 + 2)
  Reassemble as 4 sticks of length 25 like this:
    2 x (25/12 + 25/12 + 25/12 + 25/12 + 25/12 + 25/12 + 25/12 + 25/12 + 25/12 + 25/12 + 25/12 + 25/12)
    2 x (2 + 23/12 + 23/12 + 23/12 + 23/12 + 23/12 + 23/12 + 23/12 + 23/12 + 23/12 + 23/12 + 23/12 + 23/12)