tb4do sb4d rb4doq qb4do pb4d

4k3d 3k3doq 2k3do 1k3d 0k3doq

fu2doq eu2do du2d cu2doq bu2do

q31do p31d o31doq n31do m31d

1c1d 0c1doq zc1do yc1d xc1doq