Based on CC1 level 149.

For some reason this site mixes the HIDDEN WALLs up with the INV WALLs (these names are from ChipEdit).

My previous score was of the easier one (it became harder, but then impossible). Now I re-made the possible one and uploaded it.

I don't play with pgchip so ignore the ice blocks.

Based on CC1 level 9 and MikeL2 level 179.

The title was stolen from TomP3.dat level 64.