bn1rq cn1rqi dn1r en1rq fn1rqi

0d2rqi 1d2r 2d2rq 3d2rqi 4d2r

p42r q42rq r42rqi s42r t42rq

ev3rq fv3rqi gv3r hv3rq iv3rqi

3l4rqi 4l4r 5l4rq 6l4rqi 7l4r