Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
boundary =
1. ‰q
2. Γ
3. ‰t
4. ‹«

ƒŒƒxƒ‹5. •ύX
SDAL“‡‰pŒêŠwZ