9s1bk5 at1b bt1bk ct1bk5 dt1b
yj2b zj2bk 0j2bk5 1j2b 2j2bk
na3bk oa3bk5 pa3b qa3bk ra3bk5
c13bk5 d13b e13bk f13bk5 g13b
1r4b 2r4bk 3r4bk5 4r4b 5r4bk