The minimum board dimension of V-CUT 80mm * 80mm

About the minimum board dimension of V-CUT written on the following pages,
support.seeedstudio.com/knowledg … cification

Which is right (A) or (B)?
V-CUTsize_AorB.jpg

It’s B. The total panel size. I have a 10x10 board in production that has 8 copies of 25x50 sub boards.