qlt2l plt2 olt2l1 nlt2l mlt2

1us2 0us2l1 zus2l yus2 xus2l1

c4r2l1 b4r2l a4r2 93r2l1 83r2l

ndr2l mdr2 ldr2l1 kdr2l jdr2

ymq2 xmq2l1 wmq2l vmq2 umq2l1