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