Turtle digging for Human

-- 100x100x50 for Huyman by PaymentOption --

turnedLeft = false; -- If the turtle turned left the last cycle.

for i=1, 50 do
    for i=1, 100 do
        for i=1, 100 do
            turtle.dig();
            turtle.forward();
        end

        if not turnedLeft then
            turtle.turnLeft();
            turtle.dig();
            turtle.forward();
            turtle.turnLeft();

            turnedLeft = true;
        else
            turtle.turnRight();
            turtle.dig();
            turtle.forward();
            turtle.turnRight();

            turnedLeft = false;
        end
    end

    -- Reset the position of the turtle to dig another layer.
    if turnedLeft then
        turtle.turnLeft();
        turtle.forward();
        turtle.turnRight();

        for i=1, 2 do
            while not turtle.detect() do
                turtle.forward();
            end

            turtle.turnLeft();
        end

        turtle.digDown();
        turtle.down();

        turnedLeft = false;
    else
        turtle.turnRight();
        turtle.forward();
        turtle.turnLeft();

        for i=1, 2 do
            while not turtle.detect() do
                turtle.forward();
            end

            turtle.turnRight();
        end

        turtle.digDown();
        turtle.down();

        turnedLeft = true;
    end
end