Duh that’s the whole point of “Double Sided Floppy” as in not one side.Apple Computers could not read double sided floppies either, unless you flipped them over, which PCs and commodores could do as well.
You need to go to the back of the class.
you also had to have that .5” cut-out on either side of the label but 1” below. Then with some sort of magnetic tape else you couldn’t list the contents of the other side without it on the Apple II series’ external floppy drive.