lapx2d mapx napx2 oapx2d papx

a1px b1px2 c1px2d d1px e1px2

zrqx2 0rqx2d 1rqx 2rqx2 3rqx2d

oirx2d pirx qirx2 rirx2d sirx

d9rx e9rx2 f9rx2d g9rx h9rx2