C11112331312111112111133133313331333132212111133133313331322331   >>    C1111233131211111211113313331333133313221211113313331333132233   <<    C11112331312111112111133133313331333132212111133133313331322333   >>      C11112331312111112111133133313331333132212111133133313331322332   >>