Christian Core has put up, what might be, the hardest problem in Italy. The problem, which, as far as we know, hasn´t got a name yet, is thought to be 8b bloc, and is an eliminate version of an 8a problem.
Christian Core has put up, what might be, the hardest problem in Italy. The problem, which, as far as we know, hasn´t got a name yet, is thought to be 8b bloc, and is an eliminate version of an 8a problem.