Question 15
A robot plants seeds on these four mounds.
It can execute these commands:
Move one mound to the left.
Move one mound to the right.
Plant one bean seed on the current mound.
The robot executes this sequence:
Its starting mound is unknown, but the three seeds are planted on three different mounds. Which mound receives no seed?
It can execute these commands:
Move one mound to the left.
Move one mound to the right.
Plant one bean seed on the current mound.
The robot executes this sequence:
Its starting mound is unknown, but the three seeds are planted on three different mounds. Which mound receives no seed?