Avenged Sevenfold – A Little Piece Of Heaven Live tab

this is the riff that syn played (which is tremendously beautiful) during the great live 
on lbc for the song 'a little piece of heaven'.

i just want to share this just so we could discuss and improvise for the closest tab 
that we could think of on the riff that we are looking for.

e|------------------------------------------------------------------------|B|------------------------------------------------------------------------|G|--------9-------9---------3------3-------5--------7-------5-------7-----|D|-----7-------7---------3-------3------5--------5-------5-------5--------|A|--5-------5---------1-------1-------5-------5-------5-------5-----------|D|------------------------------------------------------------------------|
so far this is all that i am able to figure out. hope you guys have a better idea of what scales that he intend to use so at least we would know the right notes that he could be using. i cant figure out how the last set of the riffs (before going back to the start) goes but the last note (on the G string) sound more like 7, 9, 10, 9 then back to start. help, in need. do give honest critics, thank you.
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