a-a a-c a-t aaa aac aat aax ac- aca acc act acx at- ata atc att atx ax- axa axt axx c-- caa cac cat cax cca ccc cct ccx cta ctc ctt ctx cxc cxt cxx t-x taa tac tat tax tca tcc tct tcx tta ttc ttt ttx txt xaa xac xat xcx xtc xtx xxx

aaaa aaac aaca aacc aact aata aatc aatt ac-t acaa acac acat acca accc acct acta actc actt at-t at-x ataa atac atat atax atca atcc atta axat caaa caac caat cac- caca cacc cat- cata catc catt caxa ccaa ccac ccat ccca cccc cctc cctt ctca ctta cxxx taa- taat taca tacc tact tata tatt tax- taxa taxt tcca tccc tctc tttt txaa xact xcat xxxx

-aaa- aaata acaca ataxx axact c-a-c ca-ca cata- catax catta ccccc t-cat ta-ta tacca tataa tatta ttttt xatax

atacta catcat caxaca ccaatt ccatca tacata tataat tattat taxact

attacca tac-tac tacaca tat-tat xxxxxxx

tat-tat-tat

xxxxxxxxxxxx

aaaaaaaaaaaaaaa ccccccccccccccc