X 1 xy

X 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xy
X 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xy
X 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xyX 1 xy