Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
stratum =
1. ò
2. ‘w
3. “Í
4. ’S

ƒŒƒxƒ‹6. •ÏX
SDAL“‡‰pŒêŠwZ