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