p3eg q3egc r3egci s3eg t3egc

eufgc fufgci gufg hufgc iufgci

3kggci 4kgg 5kggc 6kggci 7kgg

sbhg tbhgc ubhgci vbhg wbhgc

h2hgc i2hgci j2hg k2hgc l2hgci