diff --git a/train_test_files/links_to_files.txt b/train_test_files/links_to_files.txt
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index 0000000000000000000000000000000000000000..4efe7437b4cf5ec460bb384ed90478c444fd4db6
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+++ b/train_test_files/links_to_files.txt
@@ -0,0 +1,9 @@
+# Here you can find the links to the files of the training data, test data and the difficult organisms data.
+
+https://bioinformatics.nl/~pronk032/train_test_files/trainingset_artificial_contigs.fasta
+https://bioinformatics.nl/~pronk032/train_test_files/trainingset_genes.gff
+https://bioinformatics.nl/~pronk032/train_test_files/trainingset_reference_annotations.gff
+https://bioinformatics.nl/~pronk032/train_test_files/testset_artificial_contigs.fasta
+https://bioinformatics.nl/~pronk032/train_test_files/testset_genes.gff
+https://bioinformatics.nl/~pronk032/train_test_files/difficult_organisms.fasta
+https://bioinformatics.nl/~pronk032/train_test_files/difficult_organisms.gff
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