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