od4mrq pd4m qd4mr rd4mrq sd4m

d44m e44mr f44mrq g44m h44mr

2u5mr 3u5mrq 4u5m 5u5mr 6u5mrq

rl6mrq sl6m tl6mr ul6mrq vl6m

gc7m hc7mr ic7mrq jc7m kc7mr