C312312111133131212111133133313331323133313233121111331311331323132233311322131   >>    C31231211113313121211113313331333132313331323312111133131133132313223331132213   <<    C312312111133131212111133133313331323133313233121111331311331323132233311322133   >>      C312312111133131212111133133313331323133313233121111331311331323132233311322132   >>