anyone who watched code geass help please which order should i watch it in i havent watched anything yet of it i need help

the names of season are :

Code Geass: Akito the Exiled 1
    
Code Geass: Akito the Exiled 2
    
Code Geass: Akito the Exiled 3
    
Code Geass: Akito the Exiled 4    

Code Geass: Akito the Exiled 5
    
Code Geass: Hangyaku no Lelouch - Kiseki no Birthday
Picture Drama    

Code Geass: Hangyaku no Lelouch R2 Special Edition Zero Requiem    

Code Geass: Hangyaku no Lelouch Special Edition Black Rebellion    

Code Geass: Lelouch of the Rebellion

Code Geass: Lelouch of the Rebellion Picture Drama    

Code Geass: Lelouch of the Rebellion R2
    
Code Geass: Lelouch of the Rebellion R2 Picture Drama    

Code Geass: Nunnally in Wonderland