for (int j = 0; j < 19; j++)
                {
                    Double temp1 = randomNumbers[j + 1, 4];
                    Double temp2 = randomNumbers[j + 1, 5];
                    Double temp3 = randomNumbers[j + 1, 6];
                    Double temp4 = randomNumbers[j + 1, 7];

                    randomNumbers[j + 1, 4] = randomNumbers[j, 4];
                    randomNumbers[j + 1, 5] = randomNumbers[j, 5];
                    randomNumbers[j + 1, 6] = randomNumbers[j, 6];
                    randomNumbers[j + 1, 7] = randomNumbers[j, 7];

                    randomNumbers[j, 4] = temp1;
                    randomNumbers[j, 5] = temp2;
                    randomNumbers[j, 6] = temp3;
                    randomNumbers[j, 7] = temp4;
                }