Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
guard against =
1. –Y
2. c
3. ~
4. Œx

ƒŒƒxƒ‹6. •ÏX
SDAL“‡‰pŒêŠwZ