t8ctr s8ct r8ctr6 q8ctr p8ct
4hct 3hctr6 2hctr 1hct 0hctr6
frbtr6 erbtr drbt crbtr6 brbtr
q0atr p0at o0atr6 n0atr m0at
199s 099sr6 z99sr y99s x99sr6