Difficulty score 20. No green.

Done

...

Go

Done with greens, ribs too sore to sit and figure it out w/o.

Start

Done. Easy puzz..

going while waiting for another system to reboot

done, nice little run

Done... pretty easy for a "medium"

Go!

Done..

Success.

go

done, no greens

clickity, clickity, done

start

ding

go

done

DING. I barely noticed the Medium trick.

go

done

done

Done, no greens. Pretty straight forward.

Done, with no greens, though I did set and then revert to a checkpoint about five numbers later.