C111123313121111121111331333133313331323232133313331311211312312121   >>    C11112331312111112111133133313331333132323213331333131121131231212   <<    C111123313121111121111331333133313331323232133313331311211312312123   >>      C111123313121111121111331333133313331323232133313331311211312312122   >>