Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
ancestor =
1. ‘c
2. Ø
3. –±
4. ’ñ

ƒŒƒxƒ‹5. •ÏX
SDAL“‡‰pŒêŠwZ