29 into 20 best min fragment found: 20/3
  Cut up 29 sticks of length 20 like this:
    1 x (10 + 10)
    2 x (29/3 + 31/3)
    2 x (28/3 + 32/3)
    2 x (9 + 11)
    2 x (26/3 + 34/3)
    2 x (25/3 + 35/3)
    2 x (8 + 12)
    2 x (23/3 + 37/3)
    2 x (22/3 + 38/3)
    2 x (7 + 13)
    10 x (20/3 + 20/3 + 20/3)
  Reassemble as 20 sticks of length 29 like this:
    2 x (20/3 + 11 + 34/3)
    2 x (20/3 + 32/3 + 35/3)
    2 x (20/3 + 31/3 + 12)
    2 x (20/3 + 10 + 37/3)
    2 x (20/3 + 29/3 + 38/3)
    2 x (20/3 + 28/3 + 13)
    2 x (20/3 + 20/3 + 23/3 + 8)
    2 x (20/3 + 20/3 + 22/3 + 25/3)
    2 x (20/3 + 20/3 + 7 + 26/3)
    2 x (20/3 + 20/3 + 20/3 + 9)