Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
masses =
1. O
2. ˆâ
3. • 
4. Ž÷

ƒŒƒxƒ‹6. •ÏX
SDAL“‡‰pŒêŠwZ