C3123223313331322121111331333133313121111331323133313223211113313123121   >>    C312322331333132212111133133313331312111133132313331322321111331312312   <<    C3123223313331322121111331333133313121111331323133313223211113313123123   >>      C3123223313331322121111331333133313121111331323133313223211113313123122   >>