Hi finnth, wow are you moving fast!
I wanted to clarify something about fire & 2 diamonds. On the previous island, I posted that swapping 2 diamonds will clear all dirt/super dirt onscreen in a digging level. But I read a post (I'll have to look for it,) that said the same move was pretty
in-effective for fire. If you have lots of jewels touching the flames it'll work pretty good, but a big fire pit or a row of fire separated by a "window" or other barrier would probably not get extinguished. I'll find that post & put a link to it here in a bit... But I'm sorry to say, old gramps might not be all-powerful, lol!
For fire, it might just be better to use the diamonds one-at-a-time...