B3311331313231311331322331333132313132313331323223313113313231322121121   >>    B331133131323131133132233133313231313231333132322331311331323132212112   <<    B3311331313231311331322331333132313132313331323223313113313231322121123   >>      B3311331313231311331322331333132313132313331323223313113313231322121122   >>