distance=0
items=0

function lay( height,width )

    width=width-1

    turtle.dig()
    items=items+1
    turtle.forward()

    for i=1,height do

        turtle.turnLeft()
        for j=1,width/2 do
            turtle.dig()
            items=items+1
            turtle.forward()
        end

        for j=1,width/2 do
            turtle.back()
            os.sleep(1)
        end

        turtle.turnRight()
        turtle.turnRight()

        for j=1,width/2 do
            turtle.dig()
            items=items+1
            turtle.forward()
        end

        for j=1,width/2 do
            turtle.back()
            os.sleep(1)
        end

        turtle.turnLeft()

        if i~=height then

        end
        turtle.digUp()
        turtle.up()


        distance=distance+1
    end

    for i=1,height-1 do
        turtle.down()
        os.sleep(1)
    end

    if turtle.getItemCount(16)>0 then
        for i=1,distance do
            turtle.back()
            os.sleep(1)
        end
        turtle.turnLeft()
        turtle.turnLeft()

        for i=1,16 do
            turtle.select(i)
            turtle.drop()
        end

        turtle.select(1)

        turtle.turnLeft()
        turtle.turnLeft()

    end

end

io.write(string.format( "Input height\n" ))
height=read()
io.write(string.format("Input width (odd number)\n"))
width=read()

lay(height,width)

for i=1,distance do
    turtle.forward()
    os.sleep(1)
end

lay(height,width)

io.write("Total items:")
io.write(items)
io.write("\n")