B3311331313231311331322331333132313331322331323133313331323112121111332211231   >>    B331133131323131133132233133313231333132233132313331333132311212111133221123   <<    B3311331313231311331322331333132313331322331323133313331323112121111332211233   >>      B3311331313231311331322331333132313331322331323133313331323112121111332211232   >>