od2lb1 pd2l qd2lb rd2lb1 sd2l

d42l e42lb f42lb1 g42l h42lb

2u3lb 3u3lb1 4u3l 5u3lb 6u3lb1

rl4lb1 sl4l tl4lb ul4lb1 vl4l

gc5l hc5lb ic5lb1 jc5l kc5lb