C3123121111113313121111331333133313223313331333131211113311211131   >>    C312312111111331312111133133313331322331333133313121111331121113   <<    C3123121111113313121111331333133313223313331333131211113311211133   >>      C3123121111113313121111331333133313223313331333131211113311211132   >>