So today I changed my v-brake brake shoes on my old MTB to put cartridge brake shoes.
I noticed that the order of the washers was different on both brake shoes. On the newer one the brake arm was touching both convex washers, on the older one it was touching a concave and a convex. Here's a picture: I know that you can swap the big and small concave washers to adjust the angle of the brake arm, but is there a specific order for the concave and convex washers ?
On this Park Tool page we can see multiple different washer orders.
Does it depends on the brakes? Does it permit some fine grained adjustment? Does it matter?