xkl1u2 ykl1 zkl1u 0kl1u2 1kl1

mbm1 nbm1u obm1u2 pbm1 qbm1u

b2m1u c2m1u2 d2m1 e2m1u f2m1u2

0sn1u2 1sn1 2sn1u 3sn1u2 4sn1

pjo1 qjo1u rjo1u2 sjo1 tjo1u