C111112111133131121133133313331333131333132322331313331311331323132313111   >>    C11111211113313112113313331333133313133313232233131333131133132313231311   <<    C111112111133131121133133313331333131333132322331313331311331323132313113   >>      C111112111133131121133133313331333131333132322331313331311331323132313112   >>