bt1pg ct1pgv dt1p et1pg ft1pgv

0j2pgv 1j2p 2j2pg 3j2pgv 4j2p

pa3p qa3pg ra3pgv sa3p ta3pg

e13pg f13pgv g13p h13pg i13pgv

3r4pgv 4r4p 5r4pg 6r4pgv 7r4p