"Hi, Amigo!"

"Hi, Julio. Tell me, who are you named after?"

"In the days of my great-great-great-grandmother, there was this famous singer named Iglesias. Well, now I just need to learn how to sing «Nostalgie»."

"What was that? —Sing?"

"I'll start the video now. Have a seat."

Java Multithreading, level 7, lesson 13
The 10,958 Problem
Warning: this video may cause insomnia. Did you know that you can take any five-digit number and find equivalent mathematical representations that use the digits from 1 to 9 in both ascending and descending order? Professor Inder J. Taneja has already proven this in practice. But there’s just one problem: the number 10,958…