diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -6,13 +6,17 @@
 
 ## 0.2.0.0 -- 2020-09-09
 
-* Second version. Fixed issue with the wrong arguments order in the Languages.UniquenessPeriods.Vector.StrictV.uniquenessVariants2GN function. 
+* Second version. Fixed issue with the wrong arguments order in the Languages.UniquenessPeriods.Vector.StrictV.uniquenessVariants2GN function.
 
 ## 0.3.0.0 -- 2020-09-12
 
-* Third version. Changed the Languages.UniquenessPeriods.Vector.Data module so that the uniqueness-periods-vector-general package can be fixed and rewritten to 
+* Third version. Changed the Languages.UniquenessPeriods.Vector.Data module so that the uniqueness-periods-vector-general package can be fixed and rewritten to
 follow the requirements. These changes break the previous behaviour, so check the code.
 
 ## 0.4.0.0 -- 2020-09-28
 
-* Fourth version. Simplified the uniquenessVariants2GNP function so that it does not use backpermute function from Data.Vector and permutations from Data.List simultanously. 
+* Fourth version. Simplified the uniquenessVariants2GNP function so that it does not use backpermute function from Data.Vector and permutations from Data.List simultanously.
+
+## 0.4.1.0 -- 2020-10-06
+
+* Fourth version revised A. Fixed issue with being concatenated lists without whitespaces in the Languages.UniquenessPeriods.Vector.StrictV.uniquenessVariants2GNP function.
diff --git a/Languages/UniquenessPeriods/Vector/StrictV.hs b/Languages/UniquenessPeriods/Vector/StrictV.hs
--- a/Languages/UniquenessPeriods/Vector/StrictV.hs
+++ b/Languages/UniquenessPeriods/Vector/StrictV.hs
@@ -22,20 +22,8 @@
 import Prelude hiding ((<>))
 #endif
 #endif
-#ifdef __GLASGOW_HASKELL__
-#if __GLASGOW_HASKELL__>=710
-/* code that applies only to GHC 7.10.* and higher versions */
-import GHC.Base (mconcat)
-#endif
-#endif
 import qualified Data.Vector as V
-import qualified Data.List as L (permutations)
-#ifdef __GLASGOW_HASKELL__
-#if __GLASGOW_HASKELL__==708
-/* code that applies only to GHC 7.8.* */
-mconcat = concat
-#endif
-#endif
+import qualified Data.List as L (permutations,intercalate)
 
 -- | Given a [a] consisting of no more than 7 sublists interspersed with the elements of the first argument,
 -- it returns a 'V.Vector' of possible combinations without repeating of the sublists in different order and for each of them appends also
@@ -67,7 +55,8 @@
 uniquenessVariants2GNP !ts !us whspss vN g1 g2 !xs
   | null . sublistsG whspss $ xs = V.empty
   | not . null $ whspss = let !hd = head whspss in let !ns = take 8 . sublistsG whspss $ xs in
-     V.fromList . map ((\vs -> let !rs = g2 . g1 $ vs in (rs, (V.map (\f -> f rs) vN), vs)) . mconcat . preAppend ts [us]) . L.permutations . map (hd:) $ ns
+     V.fromList . map ((\vs -> let !rs = g2 . g1 $ vs in (rs, (V.map (\f -> f rs) vN), vs)) . L.intercalate [hd] . preAppend ts [us]) .
+       L.permutations . map (hd:) $ ns
   | otherwise = error "Languages.UniquenessPeriods.Vector.StrictV.uniquenessVariants2GNP: undefined for the empty third argument. "
 
 -- | Inspired by: https://hackage.haskell.org/package/base-4.14.0.0/docs/src/Data.OldList.html#words
diff --git a/uniqueness-periods-vector-common.cabal b/uniqueness-periods-vector-common.cabal
--- a/uniqueness-periods-vector-common.cabal
+++ b/uniqueness-periods-vector-common.cabal
@@ -2,7 +2,7 @@
 --   For further documentation, see http://haskell.org/cabal/users-guide/
 
 name:                uniqueness-periods-vector-common
-version:             0.4.0.0
+version:             0.4.1.0
 synopsis:            Generalization of the dobutokO-poetry-general package functionality
 description:         Generalization of the dobutokO-poetry-general package functionality. Can be used to rearrange 7 sublists in the list to obtain somewhat more suitable list for some purposes.
 homepage:            https://hackage.haskell.org/package/uniqueness-periods-vector-common