1rrt 0rrt27 zrrt2 yrrt xrrt27

c1qt27 b1qt2 a1qt 90qt27 80qt2

naqt2 maqt laqt27 kaqt2 jaqt

yjpt xjpt27 wjpt2 vjpt ujpt27

9sot27 8sot2 7sot 6sot27 5sot2