C111123313121111121111331333132313331333131321211113313232313223331   >>    C11112331312111112111133133313231333133313132121111331323231322333   <<    C111123313121111121111331333132313331333131321211113313232313223333   >>      C111123313121111121111331333132313331333131321211113313232313223332   >>