C111112111133131121133133313331333133313331322121111331323321321   >>    C11111211113313112113313331333133313331333132212111133132332132   <<    C111112111133131121133133313331333133313331322121111331323321323   >>      C111112111133131121133133313331333133313331322121111331323321322   >>