B3311331313231311331322331333132313132313331323223313231313311223231   >>    B331133131323131133132233133313231313231333132322331323131331122323   <<    B3311331313231311331322331333132313132313331323223313231313311223233   >>      B3311331313231311331322331333132313132313331323223313231313311223232   >>