| ((2,1) [(2,2)] [] [(1,2)] [] ACCGT) (null) | |
| ((2,2) [(2,3)] [] [(1,1)] [(2,1)] CCGTG) (null) | |
| ((2,3) [] [] [] [(2,2)] CGTGGT) (null) | |
| ((1,1) [(1,2)] [] [(2,2)] [] ACGGT) (null) | |
| ((1,2) [(1,3)] [] [(2,1)] [(1,1)] CGGTG) (null) | |
| ((1,3) [] [] [] [(1,2)] GGTGTA) (null) |