You've hit a wall and returned to your starting position.
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up right down down left left up up up right right right down right up up left left left left left left down left up up up right
are they legitimate walls or are walls set as places within the grid @Kardan; genuinely confused
down
right
up
right
down
right
up
right
down
right
up
right
down
down
down
down
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right
down
down
down
down
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left
left
left
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left
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down
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up
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right
up
thank you
left left up right right right up left
left
1. Up
2. Up
3. Right
4. Down
5. Down
6. Down
7. Left
8. Left
9. Down
10. Right
11. Right
12. Down
13. Right
14. Up
15. Up
16. Up
17. Up
18. Right
19. Right
20. Up
21. Left
22. Left