p3q1 q3q1p r3q1pb s3q1 t3q1p

eur1p fur1pb gur1 hur1p iur1pb

3ks1pb 4ks1 5ks1p 6ks1pb 7ks1

sbt1 tbt1p ubt1pb vbt1 wbt1p

h2t1p i2t1pb j2t1 k2t1p l2t1pb