X 2 2y 2 4

X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4
X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4
X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4
X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4
X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4X 2 2y 2 4