s1gd r1gdxf q1gdx p1gd o1gdxf
3agdxf 2agdx 1agd 0agdxf zagdx
ekfdx dkfd ckfdxf bkfdx akfd
pted otedxf ntedx mted ltedxf
02ddxf z2ddx y2dd x2ddxf w2ddx