F!...

 Quote:
Sam's step from 17 to 8 then... Hmmm, I can not even guess what that means, but correct would be 2 to turn the one off + 3 to make an eight of the seven.


I was afraid you were going to say something like this. The original example did not clearly define this....

I may run out of time on this. Heading out of town soon.

I thought I would tell you, I have never spent as much time as I have on this one, just trying to figure the output. Degree of difficulty is higher than it would ever appear from the task given.