4 x2 0 2x2 x 0

4 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 0
4 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 0
4 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 04 x2 0 2x2 x 0