C11112331312111112111133133313331333132212111133133313331333131211111322331   >>    C1111233131211111211113313331333133313221211113313331333133313121111132233   <<    C11112331312111112111133133313331333132212111133133313331333131211111322333   >>      C11112331312111112111133133313331333132212111133133313331333131211111322332   >>