23 into 4: min fragment 21/11   [v1-66-g4e22cc3]
  Cut up 23 sticks of length 4 like this:
    22 x (23/11 + 21/11)
    1 x (2 + 2)
  Reassemble as 4 sticks of length 23 like this:
    2 x (23/11 + 23/11 + 23/11 + 23/11 + 23/11 + 23/11 + 23/11 + 23/11 + 23/11 + 23/11 + 23/11)
    2 x (2 + 21/11 + 21/11 + 21/11 + 21/11 + 21/11 + 21/11 + 21/11 + 21/11 + 21/11 + 21/11 + 21/11)