Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
direction =
1.
•û
2.
“d
3.
‹|
4.
¯
ƒŒƒxƒ‹2.
•ÏX
SDAL“‡‰pŒêŠwZ