Let's suppossed than a dreamer person give you some numbers, and you always make manual decition of wich numbers play, but always you lose some combination and that is what always win. Obviously we are solving a situation for people than play lotteries if you dont believe on that, please shut up and just see a code for make all posible combinations of a serie in a chain of characters.
The original code is from m_kit and adapt it to the described situation.