ize="2"><sub>k
</sub></font><font face="Arial" color="#000100" size="3"> X
</font><font face="Arial" color="#000100" size="2"><sub>ijk
</sub></font><font face="Arial" color="#000100" size="3">, and 
</font><font face="Symbol" color="#000100" size="3">a
</font><font face="Arial" color="#000100" size="2"><sub>1
</sub></font><font face="Arial" color="#000100" size="3">, 
</font><font face="Symbol" color="#000100" size="3">b
</font><font face="Arial" color="#000100" size="2"><sub>i1
</sub></font><font face="Ari