function destroyColumn()
	for i = 1,sysHeight do
		turtle.digUp()
		turtle.up()
	end

	for i = 1,sysHeight do
		turtle.down()
	end
end

function destroyRow()
	for i = 1,sysLength - 1 do
		destroyColumn()
		turtle.dig()
		turtle.forward()
	end

	destroyColumn()

	for i = 1,sysLength do
		turtle.back()
	end
end

function destroyMultiple()
	for i = 1,sysWidth do
		destroyRow()
		turtle.turnRight()
		turtle.dig()
		turtle.forward()
		turtle.turnLeft()
	end

	turtle.up()
	turtle.placeDown()
end

args = {...}
sysLength = args[1]
sysWidth = args[2]
sysHeight = args[3]

destroyMultiple()