Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
difficult =
1.
“ï
2.
•À
3.
–ó
4.
ӎ
ƒŒƒxƒ‹6.
•ÏX
SDAL“‡‰pŒêŠwZ