Sequence:
     CAGTTTCGATCGAATCATTATTGGATCCGCATGCGTCAGGATCCAATC
Splitting before GGATCC
     CAGTTTCGATCGAATCATTATT
     GGATCCGCATGCGTCA
     GGATCCAATC
Splitting after GGATCC
     CAGTTTCGATCGAATCATTATTGGATCC
     GCATGCGTCAGGATCC
     AATC