C11112331312111112111133133313331333132212111133133313331333133322331312231   >>    C1111233131211111211113313331333133313221211113313331333133313332233131223   <<    C11112331312111112111133133313331333132212111133133313331333133322331312233   >>      C11112331312111112111133133313331333132212111133133313331333133322331312232   >>