Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
floor of a building =
1.
ŠK
2.
•\
3.
‹…
4.
‹â
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ