teerl seer reerl4 qeerl peer

4ndr 3ndrl4 2ndrl 1ndr 0ndrl4

fxcrl4 excrl dxcr cxcrl4 bxcrl

q6brl p6br o6brl4 n6brl m6br

1fbr 0fbrl4 zfbrl yfbr xfbrl4