zrtxr yrtx xrtxr7 wrtxr vrtx
a1sx 90sxr7 80sxr 70sx 60sxr7
lasxr7 kasxr jasx iasxr7 hasxr
wjrxr vjrx ujrxr7 tjrxr sjrx
7sqx 6sqxr7 5sqxr 4sqx 3sqxr7