Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
boundary =
1. p
2. ‹Ö
3. ‹«
4. ŽG

ƒŒƒxƒ‹5. •ÏX
SDAL“‡‰pŒêŠwZ