vjvd wjvd0 xjvd0t yjvd zjvd0
kawd0 lawd0t mawd nawd0 oawd0t
90wd0t a1wd b1wd0 c1wd0t d1wd
yrxd zrxd0 0rxd0t 1rxd 2rxd0
niyd0 oiyd0t piyd qiyd0 riyd0t