cobblegen

while true do
    if turtle.detect() then turtle.dig()
    else
        for i=1, 9 do
            turtle.select(i)
            if getItemCount(i) == 64 then
                turtle.turnRight()
                turtle.turnRight()
                turtle.drop()
                turtle.turnRight()
                turtle.turnRight()
            end
        end
    end
end