using System;

namespace ConsoleApp_test
{
    class Program
    {
        const int InnerLen = 3;

        static void Main(string[] args)
        {
            (int[] x, int y)[] tupleArray = new (int[], int)[]
                {
                    (new int[InnerLen]{ 10, 20, 30 }, 0),
                    (new int[InnerLen]{ 11, 21, 31 }, 1),
                    (new int[InnerLen]{ 12, 22, 32 }, 2),
                    (new int[InnerLen]{ 13, 23, 33 }, 3),
                    (new int[InnerLen]{ 14, 24, 34 }, 4),
                    (new int[InnerLen]{ 15, 25, 35 }, 5),
                    (new int[InnerLen]{ 16, 26, 36 }, 6),
                    (new int[InnerLen]{ 17, 27, 37 }, 7)
            };

            int[,] X = new int[tupleArray.Length, InnerLen];
            int[] Y = new int[tupleArray.Length];

            for (int i = 0; i < tupleArray.Length; i++)
            {
                for (int j = 0; j < tupleArray[i].x.Length; j++)
                {
                    X[i, j] = tupleArray[i].x[j];
                }

                Y[i] = tupleArray[i].y;
            }

            Console.ReadLine();
        }
    }
}