Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
shallow =
1. ŒS
2. •{
3. ó
4. ŽY

ƒŒƒxƒ‹4. •ÏX
SDAL“‡‰pŒêŠwZ