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