using System;
class Foo
{
  static void Main()
  {
    Random r1 = new Random();
    Random r2 = new Random();
    Console.WriteLine(r1.Next() == r2.Next());
    Console.WriteLine(r1.Next(r1.Next()) == r2.Next(r2.Next()));
    Console.WriteLine(r1.Next(r2.Next()) == r2.Next(r1.Next()));
    Console.ReadLine();
  }
}
Vi aspettate:
- A.
 False
 False
 False
- B.
 True
 False
 False
- C.
 True
 True
 False
- D.
 True
 True
 True