9 into 2: min fragment 1   [v1-66-g4e22cc3]
  Cut up 9 sticks of length 2 like this:
    9 x (1 + 1)
  Reassemble as 2 sticks of length 9 like this:
    2 x (1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1)