B3311331313231311331322331333132313331323133211331333133313231322333231   >>    B331133131323131133132233133313231333132313321133133313331323132233323   <<    B3311331313231311331322331333132313331323133211331333133313231322333233   >>      B3311331313231311331322331333132313331323133211331333133313231322333232   >>