al1i bl1ij cl1ij1 dl1i el1ij

zb2ij 0b2ij1 1b2i 2b2ij 3b2ij1

o22ij1 p22i q22ij r22ij1 s22i

dt3i et3ij ft3ij1 gt3i ht3ij

2j4ij 3j4ij1 4j4i 5j4ij 6j4ij1