a score=0
s 2R_DroMel_CAF1 17690242 99 + 20766785 GAUAAAUAUAAAAAGCCGGUUUGCAGCCGUUUUUGUUUGG--CGAACGAA--UCGAACUCGAUCGGGGAACGG----CGUCCUGGCUGCGAAUACGGAAACUUAUCU-
s DroSec_CAF1 7331 101 + 1 GAUAAAUGGAAAAAGCCGGUUUGCAGCCGUUUUUGUUUGG--CAAAUGAACGUCGAACUCGAUCGGGGAACGG----CGUUCUGGCUUUGAAUACGGAAACUUAUCU-
s DroSim_CAF1 4386 103 + 1 GAUAAAUGGAAAAAGCCGGUUUGCAGCCGUUUUUGAAUGAAACGAAUGAACGUCGAACUCGAUCGGGGAACGG----CGUUCCGGCUUUGAAUACGGAAACUUAUCU-
s DroEre_CAF1 8138 96 + 1 ----AAUGGA-AAAGCCGGUUUGCAGCCGAUUUUGUUUGG--CGAAU----GUCGAACUCGAUCGAAGAACGCCUGGCGUUCUGGCUUCGAAUACGGGAACUUUGCU-
s DroYak_CAF1 7361 97 + 1 GAUAAAUGGA-AAAGCCGGUUUGCAGCCGCUUUUGUUUGG--CGAAU----GUCGAACUCGAUCGCGGAACGC----CGUUCCGACUUCGAAUACGGGAACUUAACUC