34787800,A,G
    found in 'pm_1079751_source1.gen':
        C1, M4, 34787800, A, G, ... source1 info ...
34787800,A,G
    found in 'pm_1079751_source2.gen':
        C1, M4, 34787800, A, G, ... source2 info ...
34787638,A,C
    found in 'pm_1079751_source2.gen':
        C1, M3, 34787638, A, C, ... source2 info ...