B3311331313231311331322331333132313132313331323223313231323132322221111   >>    B331133131323131133132233133313231313231333132322331323132313232222111   <<    B3311331313231311331322331333132313132313331323223313231323132322221113   >>      B3311331313231311331322331333132313132313331323223313231323132322221112   >>