Happy birthday ~ piano chord

First of all, i want to say that the sign of < is for the lower chords..and the sign of > is for the higher chords....

Intro :

Right Hand

G , G , A , G , C , B ,

G , G , A , G , D , C ,

G , G , G> , E , C , C , B , A ,

F , F , E , C , D , C .

Left Hand

CGC , GDG , GDG ,

CGC , CGC , FCF , CGC .