# ignore N test -- fails somewhat with -k 5, works with -k 6 (due to repeated TAACG, I'll bet)
>t0
 TAACGTAAGCACCGATTAACGGTAA
>t1
        AGCACCGATTAACGGTAN
>t2
NTAACGTAAGCACCG
>t3
      TAAGCNNCGATTAA