for i=0,3,1
do
	for i=0,2,1
	do
		forceForward()
	end
	rotateRight180()
	for i=0,2,1
	do
		forceForward()
	end
	rotateLeft180()
	for i=0,2,1
	do
		forceForward()
	end
turtle.up()
end


function forceForward()
    turtle.dig()
    turtle.forward()
end


function rotateLeft180()
	turtle.turnLeft()
	turtle.dig()
	turtle.forward()
	turtle.turnLeft()
end

function rotateRight180()
	turtle.turnRight()
	turtle.dig()
	turtle.forward()
	turtle.turnRight()
end