I've thought of that too or maybe each plate is actually 2 plates (both eyes) and the first plate is the example test.
They clearly wrote pass 2 and failed 12.
This again is the classic example of never even suspecting a color deficiency as none has been a problem in the past or detected. From what we (wife has perfect color vision, I'm iffy) observe is he sees color normally except for the Ishahara test obviously...lol. Oh well, time will tell and it is what it is.