B3311331313231311331322331333132313331322331323133313331323113121133121   >>    B331133131323131133132233133313231333132233132313331333132311312113312   <<    B3311331313231311331322331333132313331322331323133313331323113121133123   >>      B3311331313231311331322331333132313331322331323133313331323113121133122   >>