B3311331313231311331322331333132322331323331133132322331323132313123231   >>    B331133131323131133132233133313232233132333113313232233132313231312323   <<    B3311331313231311331322331333132322331323331133132322331323132313123233   >>      B3311331313231311331322331333132322331323331133132322331323132313123232   >>