C312312111133131212111133133313231333132313331333133313331322331313331   >>    C31231211113313121211113313331323133313231333133313331333132233131333   <<    C312312111133131212111133133313231333132313331333133313331322331313333   >>      C312312111133131212111133133313231333132313331333133313331322331313332   >>