C312312111133131212111133133313231333132311331333133313331323112223232132231   >>    C31231211113313121211113313331323133313231133133313331333132311222323213223   <<    C312312111133131212111133133313231333132311331333133313331323112223232132233   >>      C312312111133131212111133133313231333132311331333133313331323112223232132232   >>