16 into 5 best min fragment found: 16/7
  Cut up 16 sticks of length 5 like this:
    2 x (17/7 + 18/7)
    14 x (16/7 + 19/7)
  Reassemble as 5 sticks of length 16 like this:
    1 x (18/7 + 18/7 + 19/7 + 19/7 + 19/7 + 19/7)
    2 x (17/7 + 19/7 + 19/7 + 19/7 + 19/7 + 19/7)
    2 x (16/7 + 16/7 + 16/7 + 16/7 + 16/7 + 16/7 + 16/7)