It seems you are looking the K=10 results. Actually, there's a new spreadsheet including the East European where your results must appear in the individual section here:
https://docs.google.com/spreadsheet/...COCa89AJ#gid=3
According to what you say, you look very different from the two Bosnians I share genomes with at 23andme. Having both the higher similarity with Southern Europe and checking the values, it is impossible they get 50% North or West European like you do. They cluster with Southern Europe neatly, as well as Eastern Europe, so the results you describe simply don't match with this. Well, it's curious.