wyr72 vyr7 uyr727 tyr72 syr7
77q7 67q727 57q72 47q7 37q727
ihq727 hhq72 ghq7 fhq727 ehq72
tqp72 sqp7 rqp727 qqp72 pqp7
4zo7 3zo727 2zo72 1zo7 0zo727