for (int i = 0; i < left.size(); i++) {
SeqMap currentLeft = left[i]; //example i = 3; currentLeft is a map of 0 to the distance of sequence 3 to sequence 0,
for (int i = 0; i < left.size(); i++) {
SeqMap currentLeft = left[i]; //example i = 3; currentLeft is a map of 0 to the distance of sequence 3 to sequence 0,