3 ms·
The world record stands at 21.19 seconds (http://www.recordholders.org/en/list/memory.html#cards-speed http://www.recordholders.org/en/list/memory.html#cards-s
by jonp 14y ago
The world record stands at 21.19 seconds
(http://www.recordholders.org/en/list/memory.html#cards-speed http://www.recordholders.org/en/list/memory.html#cards-speed)