Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
³‰ðI
difficult =
1.
‰„
2.
3.
Ӈ
4.
“ï
ƒŒƒxƒ‹6.
•ÏX
SDAL“‡‰pŒêŠwZ