B3311331313231311331322331333132313331323131323223313232213331311113311   >>    B331133131323131133132233133313231333132313132322331323221333131111331   <<    B3311331313231311331322331333132313331323131323223313232213331311113313   >>      B3311331313231311331322331333132313331323131323223313232213331311113312   >>