Find the convolution of x1[n] = {1, 2, 3, 4} and x2[n] = {2, 1, 2, 1}.$

• A. Y[n] = {14, 10, 14, 10}
• B. Y [n] = {14, 16, 14, 16}
• C. Y [n] = {14, 16,-14,-16}
• D. Y [n] = {14,-16,-14, 16}