C111123313121111121111331333133313331333131233133313113313223331221323321   >>    C11112331312111112111133133313331333133313123313331311331322333122132332   <<    C111123313121111121111331333133313331333131233133313113313223331221323323   >>      C111123313121111121111331333133313331333131233133313113313223331221323322   >>