Done

Done.

Done, ng ng.

done

start

Why did I find today's so difficult?

done

go

done, ng

go

done

Did it, no green. For the longest time, it permitted a very few moves at a time, but I think more than one, because it's easy to find when one move leads on to another. 28.

Difficulty score...oops, Unike has it right! No green.