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walkForward(numSpaces)
turnLeft()
turnRight()
facingWall()
canTakeCheese()
REPEAT UNTIL ( canTakeCheese() ) { <MISSING CODE> }
walkForward(3) turnRight()
walkForward(1) turnRight() walkForward(1) turnLeft()
turnRight() walkForward(1) turnLeft() walkForward(1)
IF (facingWall()) { turnRight() } ELSE { walkForward(1) }
REPEAT UNTIL (condition) { <instructions> }
<instructions>
condition