for i in 1 ... 4 {
    for i in 1 ... 2 {
        moveForward()
        collectGem()
    }
    turnLeft()
    turnLeft()
    moveForward()
    turnRight()
    moveForward()
    collectGem()
    turnLeft()
    turnLeft()
    moveForward()
    moveForward()
    collectGem()
    moveForward()
    
}
