tlkbd slkb rlkbdx qlkbd plkb
4ujb 3ujbdx 2ujbd 1ujb 0ujbdx
f4ibdx e4ibd d4ib c4ibdx b4ibd
qdibd pdib odibdx ndibd mdib
1mhb 0mhbdx zmhbd ymhb xmhbdx