ISPTunnel

args = {...}
int length = args[1]

for i=1, length do
if turtle.getFuelLevel() == 0 do
turtle.refuel()
end
turtle.digDown()
turtle.placeDown()
turtle.turnLeft()
turtle.dig()
turtle.place()
turtle.turnRight()
turtle.turnRight()
turtle.dig()
turtule.place()
turtle.turnLeft()
turtle.dig()
turtle.digUp()
turtle.up()
turtle.dig()
turtle.turnLeft()
turtle.dig()
turtle.place()
turtle.turnRight()
turtle.turnRight()
turtle.dig()
turtule.place()
turtle.turnLeft()
end