B3311331313231311331322331333132333133313132233132322331323132313111211   >>    B331133131323131133132233133313233313331313223313232233132313231311121   <<    B3311331313231311331322331333132333133313132233132322331323132313111213   >>      B3311331313231311331322331333132333133313132233132322331323132313111212   >>