3x USA Memory Champ competes on China's SUPER BRAIN

3 time USA Memory Champion, John Graham, competes on Chinese show Super Brain 🧠 (最强大脑). 400 Million people watch this show. John faces off against China's best, Zhang Xinrong, a former Guinness World Record Holder in number memorization and a 3 time China Memory Champion. They have to memorize 100 random items, their locker numbers, and the 4 digit code for each locker. That's 700 data bits (600 digits and 100 items)!