forward = function()
while turtle.forward()==false do
turtle.attack()
end
end

turtle.turnRight()
turtle.turnRight()
forward()
shell.run("tunnel", "14")

turtle.turnLeft()
forward()
turtle.turnRight()
turtle.place()
turtle.turnRight()
forward()
turtle.turnRight()
turtle.up()
turtle.placeDown()
for i=1, 15 do
forward()
end
turtle.down()
turtle.turnRight()
turtle.dig()
turtle.turnRight()
turtle.up()
for i=1, 16 do
forward()
end
turtle.down()
turtle.turnRight()
turtle.turnRight()
turtle.dig()