pgg4 qgg41 rgg41p sgg4 tgg41

e7g41 f7g41p g7g4 h7g41 i7g41p

3xh41p 4xh4 5xh41 6xh41p 7xh4

soi4 toi41 uoi41p voi4 woi41

hfj41 ifj41p jfj4 kfj41 lfj41p