B3311331313231311331322331333132313331323133313233313331322331323113121121   >>    B331133131323131133132233133313231333132313331323331333132233132311312112   <<    B3311331313231311331322331333132313331323133313233313331322331323113121123   >>      B3311331313231311331322331333132313331323133313233313331322331323113121122   >>