Yes they are.
Can you see the stripe?
I swear I checked all the lot numbers when I purchased the yarn so, I didn’t double check as I was winding up the balls.
Oh well, another lesson learned.
At this point I’m not exactly sure what I’ll do except that I’ll delay the frogging (rip out) decision until after I finish one sleeve. At that point I’ll have a better idea of how many balls it will take to finish the sweater. The pattern calls for 16 and I purchased 17. Perhaps the yarn godess will bless me and I’ll really only need 16.
The front took 5.25 balls so if the back uses the same and each sleeve takes 2.5 balls I should be ok.