diff --git a/pysollib/hint.py b/pysollib/hint.py
index 08798206..bfe0257e 100644
--- a/pysollib/hint.py
+++ b/pysollib/hint.py
@@ -1011,14 +1011,17 @@ class FreeCellSolver_Hint(Base_Solver_Hint):
         game_type = self.game_type
         global FCS_VERSION
         if FCS_VERSION is None:
-            pout, _ = self.run_solver(FCS_COMMAND + ' --version', '')
-            s = six.text_type(pout.read(), encoding='utf-8')
-            m = re.search(r'version ([0-9]+)\.([0-9]+)\.([0-9]+)', s)
-            if m:
-                FCS_VERSION = (int(m.group(1)), int(m.group(2)),
-                               int(m.group(3)))
+            if use_fc_solve_lib:
+                FCS_VERSION = (5, 0, 0)
             else:
-                FCS_VERSION = (0, 0, 0)
+                pout, _ = self.run_solver(FCS_COMMAND + ' --version', '')
+                s = six.text_type(pout.read(), encoding='utf-8')
+                m = re.search(r'version ([0-9]+)\.([0-9]+)\.([0-9]+)', s)
+                if m:
+                    FCS_VERSION = (int(m.group(1)), int(m.group(2)),
+                                   int(m.group(3)))
+                else:
+                    FCS_VERSION = (0, 0, 0)
 
         progress = self.options['progress']
 
diff --git a/pysollib/init.py b/pysollib/init.py
index 44cbfd40..3d658c4e 100644
--- a/pysollib/init.py
+++ b/pysollib/init.py
@@ -138,21 +138,30 @@ def init():
             os.environ['FREECELL_SOLVER_PRESETRC'] = f
     if os.name in ('posix', 'nt'):
         try:
-            kw = {'shell': True,
-                  'stdout': subprocess.PIPE,
-                  'stderr': subprocess.PIPE,
-                  'stdin': subprocess.PIPE, }
-            if os.name != 'nt':
-                kw['close_fds'] = True
-            p = subprocess.Popen(pysollib.settings.FCS_COMMAND+' --help', **kw)
-            p.stdin.close()
-            line = p.stdout.readline()
-            if sys.version_info >= (3,):
-                line = line.decode("utf-8")
-            if line.startswith('fc-solve'):
+            try:
+                import freecell_solver
+                fc_solve_lib_obj = freecell_solver.FreecellSolver()
+                assert fc_solve_lib_obj
                 pysollib.settings.USE_FREECELL_SOLVER = True
-            if os.name == 'posix':
-                os.wait()               # kill zombi
+            except Exception:
+                pass
+            if not pysollib.settings.USE_FREECELL_SOLVER:
+                kw = {'shell': True,
+                      'stdout': subprocess.PIPE,
+                      'stderr': subprocess.PIPE,
+                      'stdin': subprocess.PIPE, }
+                if os.name != 'nt':
+                    kw['close_fds'] = True
+                p = subprocess.Popen(
+                    pysollib.settings.FCS_COMMAND+' --help', **kw)
+                p.stdin.close()
+                line = p.stdout.readline()
+                if sys.version_info >= (3,):
+                    line = line.decode("utf-8")
+                if line.startswith('fc-solve'):
+                    pysollib.settings.USE_FREECELL_SOLVER = True
+                if os.name == 'posix':
+                    os.wait()               # kill zombi
         except Exception:
             # traceback.print_exc()
             pass