Mining Turtle

turtle.refuel(10);
right = 1;

x = 0

while true do
	while turtle.detect() do
		turtle.dig();
	end

	turtle.digDown();
	turtle.down();
	turtle.dig();
	turtle.forward();
	turtle.up();

	if turtle.getFuelLevel() < 20 then
		turtle.refuel(5);
	end

	x = x+1

	if x == 20 then
		x = 0
		if right == 1 then
			turtle.turnRight();
		else
			turtle.turnLeft();
		end

		while turtle.detect() do
			turtle.dig();
		end

		turtle.digDown();
		turtle.down();
		turtle.dig();
		turtle.forward();
		turtle.up();

		while turtle.detect() do
			turtle.dig();
		end

		turtle.digDown();
		turtle.down();
		turtle.dig();
		turtle.forward();
		turtle.up();

		while turtle.detect() do
			turtle.dig();
		end

		turtle.digDown();
		turtle.down();
		turtle.dig();
		turtle.forward();
		turtle.up();

		while turtle.detect() do
			turtle.dig();
		end

		turtle.digDown();
		turtle.down();
		turtle.dig();
		turtle.forward();
		turtle.up();

		if right == 1 then
			turtle.turnRight();
			right = 0;
		else
			turtle.turnLeft();
			right = 1;
		end
	end
end