Pox

Ooops! See photo. This was about third puzzle spawned. Entire top level seems to have spawned without correct numbers showing (every cube shows zero on all 4 sides, though top & bottom faces appear to have correct numbers). Wasn't me, I promise!

Nice work Goathouse! Took me a while to work out the meanings of the ringed and non-ringed numerals but I got there.
Very clever stuff. Did spot small bug. Pressed R2 in error when I intended to mark a block, red block appeared in wrong place (see photo)