gkq4 fkq447 ekq44 dkq4 ckq447
rtp447 qtp44 ptp4 otp447 ntp44
22o44 12o4 02o447 z2o44 y2o4
dco4 cco447 bco44 aco4 9bo447
oln447 nln44 mln4 lln447 kln44