which one i might choose? (Layer Break position)

[datallen]

hi there, i'm very confused about choosing a layer break position, so could you please suggesting the most appropriate one? 
here is the picture.

Many thanks 

 

[LIGHTNING UK!]

Any of the green ones.

[dbminter]

In general, go by the order seen at the bottom of the screen.  If you have any Excellent, start with those, then work down.  However, my personal preference is to check the File list and see if you have any .IFO or .BUP files listed.  I'd choose .BUP first over .IFO.