Electrical Hole: floor 5A

These are the floors after x23 stuffs.

Sub-level 5A
x3 bomb-rock x6 Mini-bot 258 x4 Mini-bot 528 x1 Concrete Wall x1 Careening Dirigibug x2 Next floor hole (two in case you can't break the concrete wall) (one behind wall, one in a LONG,LONG,LONG,LONG corridor)

Sub-level 6A
BOSS! → Big Bot 852 x5 Metal object x2 Metal Box x3 Tracks