エキスパートを育てる＠コードを学ぼう2

//エキスパートを育てる＠コードを学ぼう2
let expert = Expert()

func cX() {
    expert.moveForward()
    expert.moveForward()
    expert.collectGem()
}

func backToCenter() {
    expert.turnLeft()
    expert.turnLeft()
    expert.moveForward()
    expert.moveForward()
    expert.turnRight()
}

for i in 1 ... 2 {
    cX()
    backToCenter()
}
cX()
expert.turnLockDown()
backToCenter()
for i in 1 ... 3 {
    expert.moveForward()
}

expert.turnRight()
for i in 1 ... 3 {
    cX()
    backToCenter()
}