Buff, finally! For two months I've been trying but I was totally stuck Spoiler I knew that B had to go down but not how ... but today I realized that the clues were in the design: that wedge that seemed to cushion the fall of B ... but, I have not used SSS (cool , by the way) if not a kind of ToA (also valid right? ...Very nice challenge and very well designed...Thanks for sharing and excellent job @Block builder ...Btw,another level less in my "unfinished levels" folder