xckr2b yckr zckr2 0ckr2b 1ckr
m3kr n3kr2 o3kr2b p3kr q3kr2
bulr2 culr2b dulr eulr2 fulr2b
0kmr2b 1kmr 2kmr2 3kmr2b 4kmr
pbnr qbnr2 rbnr2b sbnr tbnr2