C3123121111331312121111331333132313331333133313221211113311223221   >>    C312312111133131212111133133313231333133313331322121111331122322   <<    C3123121111331312121111331333132313331333133313221211113311223223   >>      C3123121111331312121111331333132313331333133313221211113311223222   >>