B3311331313231311331322331333132313132313331323223313331323323132311   >>    B331133131323131133132233133313231313231333132322331333132332313231   <<    B3311331313231311331322331333132313132313331323223313331323323132313   >>      B3311331313231311331322331333132313132313331323223313331323323132312   >>