clear cobble

function line()
	for i=1,10,1 do
		turtle.digDown()
		turtle.forward()
	end
	turtle.digDown()
end

function R()
	turtle.turnRight()
	turtle.forward()
	turtle.turnRight()
end

function L()
	turtle.turnLeft()
	turtle.forward()
	turtle.turnLeft()
end
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for h=1,100,1 do
	for t=1,5,1 do
		line()
		R()
		line()
		L()
	end
	line()
	turtle.turnLeft()
	turtle.turnLeft()
	turtle.down()
end