B3311331313231311331322331333132313331322331323133313331323121111331322211231   >>    B331133131323131133132233133313231333132233132313331333132312111133132221123   <<    B3311331313231311331322331333132313331322331323133313331323121111331322211233   >>      B3311331313231311331322331333132313331322331323133313331323121111331322211232   >>