started writing graph structure
started writing graph structure

riginding/dora,dinfuehr/dora,dinfuehr/dora,riginding/dora,dinfuehr/dora,riginding/dora,dinfuehr/dora,riginding/dora,riginding/dora,riginding/dora,riginding/dora,dinfuehr/dora,dinfuehr/dora