if(isalpha(tempPair[pairwiseAlignIndex]) && isalpha(tempAln[fullAlignIndex])
&& isalpha(candPair[pairwiseAlignIndex])){
// the template and candidate pairwise and template aligned have characters
if(isalpha(tempPair[pairwiseAlignIndex]) && isalpha(tempAln[fullAlignIndex])
&& isalpha(candPair[pairwiseAlignIndex])){
// the template and candidate pairwise and template aligned have characters