B3311331313231311331322331333132333133313132233133313233313231313232331   >>    B331133131323131133132233133313233313331313223313331323331323131323233   <<    B3311331313231311331322331333132333133313132233133313233313231313232333   >>      B3311331313231311331322331333132333133313132233133313233313231313232332   >>