Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
head =
1. T
2. —¢
3. һ
4. Žo

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ