X 2 4x 2y 4 0

X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0
X 2 4x 2y 4 0