C11112331312111112111133133313331333132212111133133313331333132333132323323321   >>    C1111233131211111211113313331333133313221211113313331333133313233313232332332   <<    C11112331312111112111133133313331333132212111133133313331333132333132323323323   >>      C11112331312111112111133133313331333132212111133133313331333132333132323323322   >>