diff --git a/tutorials/incompressible/pimpleFoam/LES/channel395/system/blockMeshDict b/tutorials/incompressible/pimpleFoam/LES/channel395/system/blockMeshDict
index b1b923911b..7fd59325d1 100644
--- a/tutorials/incompressible/pimpleFoam/LES/channel395/system/blockMeshDict
+++ b/tutorials/incompressible/pimpleFoam/LES/channel395/system/blockMeshDict
@@ -34,8 +34,8 @@ vertices
 
 blocks
 (
-    hex (0 1 3 2 6 7 9 8) (40 25 30) simpleGrading (1 10.7028 1)
-    hex (2 3 5 4 8 9 11 10) (40 25 30) simpleGrading (1 0.0934 1)
+    hex (0 1 3 2 6 7 9 8)   (40 25 30) simpleGrading (1  10.7028 1)
+    hex (2 3 5 4 8 9 11 10) (40 25 30) simpleGrading (1 -10.7028 1)
 );
 
 edges
diff --git a/tutorials/incompressible/pimpleFoam/LES/channel395DFSEM/system/blockMeshDict b/tutorials/incompressible/pimpleFoam/LES/channel395DFSEM/system/blockMeshDict
index 28be7549ed..1256515570 100644
--- a/tutorials/incompressible/pimpleFoam/LES/channel395DFSEM/system/blockMeshDict
+++ b/tutorials/incompressible/pimpleFoam/LES/channel395DFSEM/system/blockMeshDict
@@ -42,8 +42,8 @@ vertices
 
 blocks
 (
-    hex ( 0  1  2  5  6  7  8 11) (500 23 82) simpleGrading (1 25 1)
-    hex ( 5  2  3  4 11  8  9 10) (500 23 82) simpleGrading (1 0.04 1)
+    hex ( 0  1  2  5  6  7  8 11) (500 23 82) simpleGrading (1  25 1)
+    hex ( 5  2  3  4 11  8  9 10) (500 23 82) simpleGrading (1 -25 1)
 );
 
 edges
diff --git a/tutorials/incompressible/pimpleFoam/LES/decayIsoTurb/system/blockMeshDict b/tutorials/incompressible/pimpleFoam/LES/decayIsoTurb/system/blockMeshDict
index b1b923911b..7fd59325d1 100644
--- a/tutorials/incompressible/pimpleFoam/LES/decayIsoTurb/system/blockMeshDict
+++ b/tutorials/incompressible/pimpleFoam/LES/decayIsoTurb/system/blockMeshDict
@@ -34,8 +34,8 @@ vertices
 
 blocks
 (
-    hex (0 1 3 2 6 7 9 8) (40 25 30) simpleGrading (1 10.7028 1)
-    hex (2 3 5 4 8 9 11 10) (40 25 30) simpleGrading (1 0.0934 1)
+    hex (0 1 3 2 6 7 9 8)   (40 25 30) simpleGrading (1  10.7028 1)
+    hex (2 3 5 4 8 9 11 10) (40 25 30) simpleGrading (1 -10.7028 1)
 );
 
 edges
diff --git a/tutorials/incompressible/pimpleFoam/LES/surfaceMountedCube/initChannel/system/blockMeshDict b/tutorials/incompressible/pimpleFoam/LES/surfaceMountedCube/initChannel/system/blockMeshDict
index 88fcc42a31..4848756f7c 100644
--- a/tutorials/incompressible/pimpleFoam/LES/surfaceMountedCube/initChannel/system/blockMeshDict
+++ b/tutorials/incompressible/pimpleFoam/LES/surfaceMountedCube/initChannel/system/blockMeshDict
@@ -34,8 +34,8 @@ vertices
 
 blocks
 (
-    hex (0 1 2 3 4 5 6 7) (1 1 50) simpleGrading (1 1 100)
-    hex (4 5 6 7 8 9 10 11) (1 1 50) simpleGrading (1 1 0.01)
+    hex (0 1 2 3 4 5 6 7)   (1 1 50) simpleGrading (1 1  100)
+    hex (4 5 6 7 8 9 10 11) (1 1 50) simpleGrading (1 1 -100)
 );
 
 edges
diff --git a/tutorials/verificationAndValidation/turbulentInflow/system/blockMeshDict b/tutorials/verificationAndValidation/turbulentInflow/system/blockMeshDict
index 4f49d8ba0f..fca41042cf 100644
--- a/tutorials/verificationAndValidation/turbulentInflow/system/blockMeshDict
+++ b/tutorials/verificationAndValidation/turbulentInflow/system/blockMeshDict
@@ -40,8 +40,8 @@ vertices
 
 blocks
 (
-    hex ( 0  1  2  5  6  7  8 11) (1 23 82) simpleGrading (1 15 1)
-    hex ( 5  2  3  4 11  8  9 10) (1 23 82) simpleGrading (1 0.0666 1)
+    hex ( 0  1  2  5  6  7  8 11) (1 23 82) simpleGrading (1  15 1)
+    hex ( 5  2  3  4 11  8  9 10) (1 23 82) simpleGrading (1 -15 1)
 );
 
 edges