C312312111133131212111133133313331323133313233121111331311331323221322331   >>    C31231211113313121211113313331333132313331323312111133131133132322132233   <<    C312312111133131212111133133313331323133313233121111331311331323221322333   >>      C312312111133131212111133133313331323133313233121111331311331323221322332   >>