w2ndt x2ndtd y2nd z2ndt 02ndtd
ltodtd mtod ntodt otodtd ptod
akpd bkpdt ckpdtd dkpd ekpdt
zaqdt 0aqdtd 1aqd 2aqdt 3aqdtd
o1qdtd p1qd q1qdt r1qdtd s1qd