C31231211113313121211113313331333132313331323312111133131133132213223331   >>    C3123121111331312121111331333133313231333132331211113313113313221322333   <<    C31231211113313121211113313331333132313331323312111133131133132213223333   >>      C31231211113313121211113313331333132313331323312111133131133132213223332   >>