C11112331312111112111133133313331333133313331333133313331322331323131121   >>    C1111233131211111211113313331333133313331333133313331333132233132313112   <<    C11112331312111112111133133313331333133313331333133313331322331323131123   >>      C11112331312111112111133133313331333133313331333133313331322331323131122   >>