X2 4x x2 xy

X2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xyX2 4x x2 xy