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