It looks like levels enclosed together with nhss are not correct. Some levels are missing altogether (like sokoban 1a variant) and only 1b (realgame-1) is enclosed. At same time, there 3 variants of level 4 (realgame-4, realgame-4.1, realgame-4.2), but they're all in fact just a weird modifications of 4b level.
It looks like levels enclosed together with nhss are not correct. Some levels are missing altogether (like sokoban 1a variant) and only 1b (realgame-1) is enclosed. At same time, there 3 variants of level 4 (realgame-4, realgame-4.1, realgame-4.2), but they're all in fact just a weird modifications of 4b level.