求翻译：我要在最短的时间内记忆100个无规律数字，要观察黑板上的一百个数字，然后依次背诵，不能有任何错误。我已经练习了四年，最短用时一分钟。是什么意思？

I want in the shortest possible time and memory 100 irregular figures to observe 100 numbers on the Blackboard and recite in turn, cannot have any errors. I already practice for four years, the shortest one minute.