--- /dev/null
+15 into 4 best min fragment found: 13/7
+ Cut up 15 sticks of length 4 like this:
+ 1 x (2 + 2)
+ 14 x (13/7 + 15/7)
+ Reassemble as 4 sticks of length 15 like this:
+ 2 x (15/7 + 15/7 + 15/7 + 15/7 + 15/7 + 15/7 + 15/7)
+ 2 x (13/7 + 13/7 + 13/7 + 13/7 + 13/7 + 13/7 + 13/7 + 2)