10 into 8 best min fragment found: 3
  Cut up 10 sticks of length 8 like this:
    2 x (4 + 4)
    8 x (3 + 5)
  Reassemble as 8 sticks of length 10 like this:
    4 x (5 + 5)
    4 x (3 + 3 + 4)