C31231211113313121211113313331333132313331323312111133132213223331211   >>    C3123121111331312121111331333133313231333132331211113313221322333121   <<    C31231211113313121211113313331333132313331323312111133132213223331213   >>      C31231211113313121211113313331333132313331323312111133132213223331212   >>