If x = 1 + 2–√2 + 3–√3 and y = 1 + 2–√2 - 3–√,3, then the value of x2+4xy+y2x+yx2+4xy+y2x+y is?

• A. 22–√2222–√2222–√22–√22–√22–√22–√2–√222––√√22
• B. 2(2+2–√)2(2+2)2(2+2–√)2(2+2)2(2+2–√)2(2+2–√)2(2+2–√)2(2+2–√)2(2+2–√)((2+2–√2+2–√2+2–√2–√222––√√))2(2+2)
• C. 1
• D. 6