1 |A 1.0 |B 1:1     |# one of the samples in each sequence has to be valid,
1 |A 1.0 |B 10:1    |# otherwise the sequence would be empty and the reader
1 |A 1.0 1.0 |B 1:1 |# will raise an exception
2 |A 2.0 |B 2:2
2 |A 2,0 |B 2:2
2 |A 2.0 |B 2::2
2 |A 20. |B 2:2
2 |A 2:0 |B 2:2
2 |A 2.0 |B 2 
2 |A 2.0 |B 2.2
2 |A 2.0 |B 2;2
2 |A 2#0 |B 2:2
2 |#AAAA 20 |B 2:2
2 |A 2.0f |B 2:2
2 |A 02.0 |B 2.2
2 |A 2.0 |B 2.0:2.0
2 |A 2.0 |B -2:2.0
3 |A 3.0 |B 3:3
3 | A 3.0 |B 3:3
|A 3.0 |B 3:3
| A 3.0 |B 3:3
 |A 3.0 |B 3:3
3	|A 3.0 |B 3:3
|B 3:3
|A 3.0
|C 3.0
4 |A 4.0 |B 4:4
4| 
|A 4.0 |B 4:4

|
|#
|####	|A 4.0|####|B 4:4
5|A 5.|# the only well-formed sequence in this file|B 5:5
123 |A 123 |B 1:23
123 |A 124
123 |B 1:24 |# sequence length will be mis-calculated here (3 instead of 2).
6 |A 6.0 |B 6:6
|# sparse suffix in A (totally fine, but should print a warning anyways) |A |B 6:6
|A 6.0 6.0 |B 6:6
|A 6.0 |B 6:6
|A 6.0 |B 6:6