int[][] tab = new int[10][];
            int a = 0;
            int b = 1;
            for (int i = 0; i < 10; ++i)
            {
                tab[i] = new int[b];
                for (int j = 0; j < tab[i].Length; ++j)
                {
                    tab[i][j] = tab[i].Length - j;
                }

            int c = a + b;
            a = b;
            b = c;
        }
            for (int i = 0; i < 10; ++i)
            {
                for (int j = 0; j < tab[i].Length; j++)
                {
                    Console.Write(tab[i][j]);
                    Console.Write(", ");
                }
                Console.WriteLine("");

            }