+<br>
+<h2>Change priority of submeshes in Mesh</h2>
+
+\code
+import salome
+import geompy
+import smesh
+import SMESH
+
+Box_1 = geompy.MakeBoxDXDYDZ(200, 200, 200)
+[Face_1,Face_2,Face_3,Face_4,Face_5,Face_6] = geompy.SubShapeAllSorted(Box_1, geompy.ShapeType["FACE"])
+
+# create Mesh object on Box shape
+Mesh_1 = smesh.Mesh(Box_1)
+
+# assign mesh algorithms
+Regular_1D = Mesh_1.Segment()
+Nb_Segments_1 = Regular_1D.NumberOfSegments(20)
+Nb_Segments_1.SetDistrType( 0 )
+MEFISTO_2D = Mesh_1.Triangle()
+Max_Element_Area_1 = MEFISTO_2D.MaxElementArea(1200)
+Tetrahedron = Mesh_1.Tetrahedron()
+Max_Element_Volume_1 = Tetrahedron.MaxElementVolume(40000)
+
+# create submesh and assign algorithms on Face_1
+Regular_1D_1 = Mesh_1.Segment(geom=Face_1)
+Nb_Segments_2 = Regular_1D_1.NumberOfSegments(4)
+Nb_Segments_2.SetDistrType( 0 )
+MEFISTO_2D_1 = Mesh_1.Triangle(algo=smesh.MEFISTO,geom=Face_1)
+Length_From_Edges_2D = MEFISTO_2D_1.LengthFromEdges()
+SubMesh_1 = MEFISTO_2D_1.GetSubMesh()
+
+# create submesh and assign algorithms on Face_2
+Regular_1D_2 = Mesh_1.Segment(geom=Face_2)
+Nb_Segments_3 = Regular_1D_2.NumberOfSegments(8)
+Nb_Segments_3.SetDistrType( 0 )
+MEFISTO_2D_2 = Mesh_1.Triangle(algo=smesh.MEFISTO,geom=Face_2)
+Length_From_Edges_2D_1 = MEFISTO_2D_2.LengthFromEdges()
+SubMesh_2 = MEFISTO_2D_2.GetSubMesh()
+
+# create submesh and assign algorithms on Face_3
+Regular_1D_3 = Mesh_1.Segment(geom=Face_3)
+Nb_Segments_4 = Regular_1D_3.NumberOfSegments(12)
+Nb_Segments_4.SetDistrType( 0 )
+MEFISTO_2D_3 = Mesh_1.Triangle(algo=smesh.MEFISTO,geom=Face_3)
+Length_From_Edges_2D_2 = MEFISTO_2D_3.LengthFromEdges()
+SubMesh_3 = MEFISTO_2D_3.GetSubMesh()
+
+# check exisiting submesh priority order
+[ [ SubMesh_1, SubMesh_3, SubMesh_2 ] ] = Mesh_1.GetMeshOrder()
+# set new submesh order
+isDone = Mesh_1.SetMeshOrder( [ [ SubMesh_1, SubMesh_2, SubMesh_3 ] ])
+# compute mesh
+isDone = Mesh_1.Compute()
+
+# clear mesh result and compute with other submesh order
+Mesh_1.Clear()
+isDone = Mesh_1.SetMeshOrder( [ [ SubMesh_2, SubMesh_1, SubMesh_3 ] ])
+isDone = Mesh_1.Compute()
+
+\endcode
+