local i = 0

for i=3,16 do
    if turtle.getItemCount(i) > 0 then
        turtle.select(i)
        for i2=9,16 do
            turtle.transferTo(i2, 64)
        end
    end
end

while true do
    turtle.place()
    turtle.select(2)
    turtle.place()
    turtle.dig()
    turtle.forward()

    for i=1,6 do
        if turtle.detectUp() then
            turtle.digUp()
            turtle.up()
        end
    end

    while not turtle.detectDown() do
        turtle.down()
    end

    turtle.turnRight()
    turtle.turnRight()
    turtle.forward()

    for i=3,8 do
        if turtle.getItemCount(i) > 0 then
            turtle.select(i)
            if turtle.getItemCount(i) < 4 then
                for i2=9,16 do
                    turtle.transferTo(i2, 64)
                end
            end
            turtle.drop()
        end
    end

    for i=9,16 do
        turtle.select(i)
        turtle.transferTo(1, 64)
        turtle.transferTo(2, 64)
    end

    turtle.select(1)
    turtle.turnRight()
    turtle.turnRight()
end