YangZifan-BA7KVH Oh no – I hadn't really considered this. However, if the requirement for "perfectly replicated answer cards" isn't too strict, then marking the information with a marker would also work…
— This would effectively cover up the corresponding content in the "Unified Mode" and "Confirm Information" sections, making it unreadable to others — after all, this isn't just a simple A, B, C, D option.
— Oh dear, it seems this form of QSL is quite imperfect. So, just consider it a bit of amusement for everyone.😆