24 into 23 best min fragment found: 8
  Cut up 24 sticks of length 23 like this:
    6 x (11 + 12)
    6 x (10 + 13)
    6 x (9 + 14)
    6 x (8 + 15)
  Reassemble as 23 sticks of length 24 like this:
    3 x (12 + 12)
    6 x (11 + 13)
    6 x (10 + 14)
    6 x (9 + 15)
    2 x (8 + 8 + 8)