B3311331313231311331322331333132313331322331323133313331333132313311221311111   >>    B331133131323131133132233133313231333132233132313331333133313231331122131111   <<    B3311331313231311331322331333132313331322331323133313331333132313311221311113   >>      B3311331313231311331322331333132313331322331323133313331333132313311221311112   >>