mqo7 nqo7k oqo7kp pqo7 qqo7k
bhp7k chp7kp dhp7 ehp7k fhp7kp
07p7kp 17p7 27p7k 37p7kp 47p7
pyq7 qyq7k ryq7kp syq7 tyq7k
epr7k fpr7kp gpr7 hpr7k ipr7kp