20 into 2: min fragment 2   [v1-66-g4e22cc3]
  Cut up 20 sticks of length 2 like this:
    20 x (2)
  Reassemble as 2 sticks of length 20 like this:
    2 x (2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2)