C11112331312111112111133133313331333132323133313331333133323133211113322331   >>    C1111233131211111211113313331333133313232313331333133313332313321111332233   <<    C11112331312111112111133133313331333132323133313331333133323133211113322333   >>      C11112331312111112111133133313331333132323133313331333133323133211113322332   >>