diff --git a/LuaLibs/MachiningLib.lua b/LuaLibs/MachiningLib.lua
index 374e5d7..b331789 100644
--- a/LuaLibs/MachiningLib.lua
+++ b/LuaLibs/MachiningLib.lua
@@ -1768,17 +1768,34 @@ function MachiningLib.ShortestPathSorting()
             i = i + 1
          end
 
-         local nStopIndex = nStartIndex + nMachInDisp - 1
          -- cliclo su tutte le lavorazioni
-         for k = nStartIndex, nStopIndex do
-            for j = nStartIndex, nStopIndex do
+         for k = 1, #MachiningOptList do
+            if not DB_MACH_APPLIED[MachiningOptList[k]].Dependances then
+               DB_MACH_APPLIED[MachiningOptList[k]].Dependances = {}
+            end
+            for j = 1, #MachiningOptList do
                -- se non è stessa lavorazione, imposto dati e dipendenze
                if k ~= j then
+                  local MachiningK = MACHININGS[DB_MACH_APPLIED[MachiningOptList[k]].nIndexInMachinings]
+                  local MachiningJ = MACHININGS[DB_MACH_APPLIED[MachiningOptList[j]].nIndexInMachinings]
                   -- se stessa Proc
-                  if MACHININGS[DB_MACH_APPLIED[k].nIndexInMachinings].Proc.id == MACHININGS[DB_MACH_APPLIED[j].nIndexInMachinings].Proc.id then
+                  if MachiningK.Proc.id == MachiningJ.Proc.id then
                      -- se lavorazioni della stessa feature, obbligatorio rispettare ordine
-                     if MACHININGS[DB_MACH_APPLIED[k].nIndexInMachinings].Machining.nFeatureInternalIndex <= MACHININGS[DB_MACH_APPLIED[j].nIndexInMachinings].Machining.nFeatureInternalIndex then
-                        EgtOptMachAddDependence( k, j)
+                     if MachiningK.Machining.nFeatureInternalIndex < MachiningJ.Machining.nFeatureInternalIndex then
+                        local bOk = EgtOptMachAddDependence( MachiningOptList[k], MachiningOptList[j])
+                        if not bOk then
+                           error( 'Machining sorting : error in dependencies')
+                        end
+                        table.insert( DB_MACH_APPLIED[MachiningOptList[k]].Dependances, MachiningOptList[j])
+                     -- se l'indice interno è uguale, sono cloni: si ordinano in base all'ordine in tabella
+                     elseif MachiningK.Machining.nFeatureInternalIndex == MachiningJ.Machining.nFeatureInternalIndex then
+                        if k < j then
+                           local bOk = EgtOptMachAddDependence( MachiningOptList[k], MachiningOptList[j])
+                           if not bOk then
+                              error( 'Machining sorting : error in dependencies')
+                           end
+                           table.insert( DB_MACH_APPLIED[MachiningOptList[k]].Dependances, MachiningOptList[j])
+                        end
                      end
                   -- se tra due Proc diverse
                   else