Y 0 4 x

Y 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 x
Y 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 x
Y 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 xY 0 4 x