Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
elementary =
1.
€
2.
Ä
3.
‘f
4.
•z
ƒŒƒxƒ‹5.
•ÏX
SDAL“‡‰pŒêŠwZ