1np2 2np21 3np21p 4np2 5np21

qeq21 req21p seq2 teq21 ueq21p

f5q21p g5q2 h5q21 i5q21p j5q2

4vr2 5vr21 6vr21p 7vr2 8vr21

tms21 ums21p vms2 wms21 xms21p