C111123313121111121111331333133313331322121111331333131133133313223321   >>    C11112331312111112111133133313331333132212111133133313113313331322332   <<    C111123313121111121111331333133313331322121111331333131133133313223323   >>      C111123313121111121111331333133313331322121111331333131133133313223322   >>