diff --git a/Libraries/x-saherelm.x-poi.lib.mq5 b/Libraries/x-saherelm.x-poi.lib.mq5
index 828b596f..9f617936 100644
--- a/Libraries/x-saherelm.x-poi.lib.mq5
+++ b/Libraries/x-saherelm.x-poi.lib.mq5
@@ -118,6 +118,12 @@ enum ENUM_XSESSION
     X_FRANKFORT,
 };
 
+enum ENUM_X_ZONE_EDGE
+{
+    X_ZONE_UPPER_EDGE,
+    X_ZONE_LOWER_EDGE
+};
+
 //
 // Represent a Session Working Time ...
 struct XSession
@@ -1472,7 +1478,6 @@ bool AddIfNotExists(
     bool result = false;
 
     //
-    int count = ArraySize(dest);
     result = source.IsValid();
     if (!result)
     {
@@ -1482,7 +1487,7 @@ bool AddIfNotExists(
     //
     int idx = FindIndex(source, dest);
     bool isExists = IsValidIndex(idx);
-    if (isExists)
+    if (!isExists)
     {
         //
         AddRef(
@@ -1618,7 +1623,6 @@ bool AddIfNotExists(
     bool result = false;
 
     //
-    int count = ArraySize(dest);
     result = source.IsValid();
     if (!result)
     {
@@ -1628,7 +1632,7 @@ bool AddIfNotExists(
     //
     int idx = FindIndex(source, dest);
     bool isExists = IsValidIndex(idx);
-    if (isExists)
+    if (!isExists)
     {
         //
         AddRef(
@@ -1644,6 +1648,117 @@ bool AddIfNotExists(
     return result;
 }
 
+//
+
+/**
+ * Check if a Zone inside another one ...
+ *
+ * @param  source: XZone instance ...
+ * @param  dest: XZone instance ...
+ * @param  edge: ENUM_X_ZONE_EDGE member, define inside edge of zone ...
+ * @param  forceInside: Boolean, if set true means all edges of source must be inside dest ...
+ *
+ * @return ( bool )
+ */
+bool IsInside(
+    XZone &source,
+    XZone &dest,
+    ENUM_X_ZONE_EDGE edge,
+    bool forceInside = true //
+)
+{
+    //
+    bool result = false;
+
+    //
+    result = source.IsValid() &&
+             dest.IsValid();
+    if (!result)
+    {
+        return result;
+    }
+
+    //
+    bool isEdgePassed =
+        //
+        edge == X_ZONE_UPPER_EDGE
+            ? source.upper <= dest.upper
+            : source.lower >= dest.lower
+        //
+        ;
+
+    //
+    bool isForcePassed =
+        //
+        forceInside
+            ? edge == X_ZONE_UPPER_EDGE
+                  ? source.lower >= dest.lower
+                  : source.upper <= dest.upper
+        : edge == X_ZONE_UPPER_EDGE
+            ? true
+            : true
+        //
+        ;
+
+    //
+    result = isEdgePassed &&
+             isForcePassed;
+
+    //
+    return result;
+}
+bool IsInside(
+    XOHCL &source,
+    XZone &dest,
+    ENUM_X_ZONE_EDGE edge,
+    bool forceInside = true //
+)
+{
+    //
+    bool result = false;
+
+    //
+    result = source.IsValid() &&
+             dest.IsValid();
+    if (!result)
+    {
+        return result;
+    }
+
+    //
+    XZone iSource;
+    double upper =
+        edge == X_ZONE_UPPER_EDGE
+            ? source.high
+            : source.GetDown();
+    double lower =
+        edge == X_ZONE_UPPER_EDGE
+            ? source.GetUp()
+            : source.low;
+    result = iSource.Init(
+        upper,
+        lower,
+        "XOHCL",
+        source.time,
+        TimeCurrent() //
+    );
+    if (!result)
+    {
+        return result;
+    }
+
+    //
+    result = IsInside(
+        iSource,
+        dest,
+        edge,
+        forceInside //
+    );
+
+    //
+    return result;
+}
+
 //
 // State Extensions ...
 
diff --git a/X121SMCEA/Strategy/x-121.smc.strategy.class.mq5 b/X121SMCEA/Strategy/x-121.smc.strategy.class.mq5
index e213b48b..d6d114a3 100644
Binary files a/X121SMCEA/Strategy/x-121.smc.strategy.class.mq5 and b/X121SMCEA/Strategy/x-121.smc.strategy.class.mq5 differ