print("Welcome to Jake's mine Script")
print("-------------------------------")
print("Please enter the length of your mine")
length = tonumber(read())
turn = true
function turnLeft()
	turtle.turnLeft()
	turtle.dig()
	turtle.forward()
	turtle.turnLeft()
	turtle.digUp()
	turtle.digDown()
end

function turnRight()
	turtle.turnRight()
	turtle.dig()
	turtle.forward()
	turtle.turnRight()
	turtle.digUp()
	turtle.digDown()
end

function mine()
	turtle.dig()
	turtle.forward()
	turtle.digUp()
	turtle.dig()
	turtle.digDown()
	turtle.dig()
	turtle.forward()
	turtle.digUp()
	turtle.digDown()
	if(turn) then
		turnLeft()
		turn = false
	else
		turnRight()
		turn = true
	end
end

function start()
	turtle.up()
	turtle.dig()
	turtle.forward()
	turtle.turnRight()
	turtle.digDown()
	turtle.digUp()
	for i=1, length do
		mine()
	end
	if(bit.band (length, 1)) then
		turtle.turnLeft()
		for i = 0,length do
			turtle.forward()
		end
		turtle.turnRight()
		turtle.forward()
		turtle.forward()
		turtle.turnLeft()
		turtle.down()
	else
		turtle.turnLeft()
		for i = 0,length do
			turtle.forward()
		end
		turtle.down()
	end
end

start()