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