C312312111133131212111133131133133313331311331333131333132313331323223331121   >>    C31231211113313121211113313113313331333131133133313133313231333132322333112   <<    C312312111133131212111133131133133313331311331333131333132313331323223331123   >>      C312312111133131212111133131133133313331311331333131333132313331323223331122   >>