Turtle Tunnel Placer

local time = 0
term.write("How long do you want it to run??")
time = read()
for i = 0, time do
turtle.forward()
turtle.turnRight()
turtle.place()
turtle.turnLeft()
turtle.turnLeft()
turtle.place()
turtle.turnRight()
turtle.up()
turtle.turnLeft()
turtle.place()
turtle.turnRight()
turtle.turnRight()
turtle.place()
turtle.turnLeft()
turtle.placeUp()
turtle.down()
end