Question 10
The robot starts in the bottom-left cell and must reach the gray top-right cell.

U moves up one cell, R right one cell, and D down one cell. It can remember at most five commands and repeat the same group as often as needed. Which listed group reaches the target with the fewest entries into white cells?

U moves up one cell, R right one cell, and D down one cell. It can remember at most five commands and repeat the same group as often as needed. Which listed group reaches the target with the fewest entries into white cells?