B3311331313231311331322331333132313132313331323223313231313311233131   >>    B331133131323131133132233133313231313231333132322331323131331123313   <<    B3311331313231311331322331333132313132313331323223313231313311233133   >>      B3311331313231311331322331333132313132313331323223313231313311233132   >>