Theme Hospital

Password
level 9 : t, s, x, t, o, x, t, s
level 10 : o, s, x, t, s, x, o, s
level 11 : t, o, s, o, t, s, o ,x
level 12 : o,s, x, x, s, o, s, t

Note : t for triangle, s for square

To get a clean hospital. Save your game to memory card then load it up straight after and the hospital will be totally clean.