C11112331312111112111133133313331333133313331333133313331333131133133322332321   >>    C1111233131211111211113313331333133313331333133313331333133313113313332233232   <<    C11112331312111112111133133313331333133313331333133313331333131133133322332323   >>      C11112331312111112111133133313331333133313331333133313331333131133133322332322   >>