while (matches.size == 0 and kmer > 0)
matches = Matches.find(q_seq, s_seq, space.q_min, space.s_min, space.q_max, space.s_max, kmer)
while (matches.size == 0 and kmer > 0)
matches = Matches.find(q_seq, s_seq, space.q_min, space.s_min, space.q_max, space.s_max, kmer)