C3123121111331312121111331333133313231333132331211111333131133223331322321   >>    C312312111133131212111133133313331323133313233121111133313113322333132232   <<    C3123121111331312121111331333133313231333132331211111333131133223331322323   >>      C3123121111331312121111331333133313231333132331211111333131133223331322322   >>