X2 2xy 1

X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1
X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1
X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1X2 2xy 1