The HOME is 
www.example.com, in all of menu items created by AlphaContent loads the homepage 
www.example.com. 
These are the addresses that appear in Manage SEF URLs page.
        inicio/pagina-1         index.php?option=com_alphacontent&ordering=1&Itemid=1  	     
	inicio/pagina-1-10 	index.php?option=com_alphacontent&ordering=10&Itemid=1 	
 	inicio/pagina-1-11 	index.php?option=com_alphacontent&ordering=11&Itemid=1 	
	inicio/pagina-1-12 	index.php?option=com_alphacontent&ordering=12&Itemid=1 	
 	inicio/pagina-1-13 	index.php?option=com_alphacontent&ordering=13&Itemid=1 	
	inicio/pagina-1-2 	index.php?option=com_alphacontent&ordering=2&Itemid=1 	
	inicio/pagina-1-3 	index.php?option=com_alphacontent&ordering=3&Itemid=1 	
 	inicio/pagina-1-4 	index.php?option=com_alphacontent&ordering=4&Itemid=1 	
 	inicio/pagina-1-5 	index.php?option=com_alphacontent&ordering=5&Itemid=1 	
 	inicio/pagina-1-6 	index.php?option=com_alphacontent&ordering=6&Itemid=1 	
 	inicio/pagina-1-7 	index.php?option=com_alphacontent&ordering=7&Itemid=1 	
	inicio/pagina-1-8 	index.php?option=com_alphacontent&ordering=8&Itemid=1 	
 	inicio/pagina-1-9 	index.php?option=com_alphacontent&ordering=9&Itemid=1
Basic onfiguration Joomsef  is:
JoomSEF Enabled?    YES
Disable creation of new SEF URLs? NO
Number duplicate URLs? NO
Advanced configuration Joomsef:
Exclude source info (Itemid)  	 NO
Reappend source (Itemid) 	NO
Ignore multiple sources (Itemids)  YES	
Append non-SEF variables to URL  YES
CONFIGURATION SEF EXTENSION ALPHACONTENT:
Number duplicate URLs 	 YES 
Automatic canonical link generation 	USE GLOBAL CONFIG
Ignore multiple sources 	 NO
Itemid handling  USE GLOBAL CONFIG
thanks for your interest
Note: I have another site with the JoomSEF version 3.5.3 and have no problem with the previous configuration