levelv1

-- Function's Start Here
function level(x,y)
    -- Turn = 0 ; Turn Right
    -- Turn = 1 ; Turn Left

    x = tonumber(x) -- Converts string to int
    y = tonumber(y) -- Converts string to int

    turn = 0
    myx = 0
    myy = 0

    while ( myy < y) do
        while ( myx < x) do
            turtle.dig()
            turtle.forward()
            myx = myx + 1
        end

        if (myy < (y-1)) then
            if (turn == 0) then
                myx = 0
                myx = myx +1
                turtle.turnRight()
                turtle.dig()
                turtle.forward()
                turtle.turnRight()
                turn = 1
            elseif (turn == 1) then
                myx = 0
                myx = myx +1
                turtle.turnLeft()
                turtle.dig()
                turtle.forward()
                turtle.turnLeft()
                turn = 0
            else
                print("Error! How did you do that?")
            end
        end

        if (myy < (y-1)) then -- Newly Added
        turtle.forward()
        end

        myy = myy + 1
    end

    -- Turn = 0; Turtle is away from starting location.
    -- Turn = 1; Turtle is close to starting location.

    myx = 0
    myy = 0

    if (turn == 0) then -- Return to starting location
        turtle.turnRight()
        turtle.turnRight()
        turtle.forward()
        while ( myx < (x-2)) do
            turtle.forward()
            myx = myx + 1
        end
        turtle.turnRight()
        while (myy < (y-1)) do
            turtle.forward()
            myy = myy + 1
        end
        turtle.turnLeft() -- This indicates it has returned to it's starting location.
        turtle.forward()
        turtle.turnLeft()
        turtle.turnLeft()
    elseif (turn == 1) then
        turtle.turnRight()
        while (myy < (y-1)) do
            turtle.forward()
            myy = myy + 1
        end
        turtle.turnLeft() -- This indicates it has returned to it's starting location.
        turtle.forward()
        turtle.turnLeft()
        turtle.turnLeft()
    else
        print("Error!")
    end
end


-- Main Script

x = 0
y = 0
z = 0

myz = 0

print("What is x?")
x = io.read()

print("What is y?")
y = io.read()

print("What is z?")
z = io.read()

z = tonumber(z)

while (myz < z) do
level(x,y)
    if(myz < (z-1)) then
    turtle.digDown()
    turtle.down()
    end
myz = myz + 1
end

-- Start returning back to surface!
myz = 0
while(myz < z) do
    turtle.up()
    myz = myz + 1
end