diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/20.n2/10.brainstorming/textbook.en.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/20.n2/10.brainstorming/textbook.en.md
index 0a8e7b551..8010a90d0 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/20.n2/10.brainstorming/textbook.en.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/20.n2/10.brainstorming/textbook.en.md
@@ -20,4 +20,78 @@ https://m3p2.com/polyglot/brainstorming-pedagogical-teams/synthesis-structuring/
 
 ----------------------------------------
 
-### Brainstorming
\ No newline at end of file
+### Brainstorming
+
+
+A first study plan proposal : 
+
+*MECA-CLAS-Prop1-n2*    
+
+_React (iscuss, improve) to this proposal, in the text or afterwards,_    
+_starting with 3 initials followed by the two letters of your native language(XXX-YY) :_  
+
+(CME-FR)   
+         
+Block-1 - _Possible title :_ Euclidean geometry  
+          _Short description :_      
+          _Program elements, or structure in chapters :_   
+          _¿For whom? :_ Anyone who reaches this level 2..
+         
+         
+Block-2 - _Possible title :_ Spatial and temporal coordinates  
+         _Short description :_      
+         _Program elements, or structure in chapters :_   
+         _¿For whom? :_ Todos los que ingresen a este nivel 2.
+         
+         
+Block-3 - _Possible title :_ Reference frames
+         _Short description :_      
+         _Program elements, or structure in chapters :_   
+         _¿For whom? :_ 
+
+         
+Block-4 - _Possible title :_ ? 
+         _Short description :_      
+         _Program elements, or structure in chapters :_   
+         _¿For whom? :_ Todos los que ingresen a este nivel 2.
+         
+        
+To carry on
+      
+
+--------------------------
+
+New proposal for a study plan    
+
+*MECA-CLAS-Prop2-n2*  
+
+_Start with your 3 initials followed by the two letters of your native language (XXX-YY)  :_    
+
+(XXX-YY)
+         
+Block-1 - _Possible title :_ 
+         _Short description :_      
+         _Program elements, or structure in chapters :_   
+         _¿For whom? :_ 
+         
+         
+Block-2 - _Possible title :_ 
+         _Short description :_      
+         _Program elements, or structure in chapters :_   
+         _¿For whom? :_ 
+         
+
+To carry on
+
+--------------------------
+
+New proposal for a study plan    
+
+*MECA-CLAS-Prop3-n3*  
+
+Continuar 
+Continuer 
+To carry on
+      
+
+