G Node1 zggbak Node2 zgegs Node1->Node2 Node5 zgegv Node1->Node5 Node6 zgges Node1->Node6 Node9 zggesx Node1->Node9 Node11 zggev Node1->Node11 Node13 zggevx Node1->Node13 Node15 zchkgk Node1->Node15 Node3 zdrvgg Node2->Node3 Node4 zchkee Node3->Node4 Node5->Node3 Node7 zdrges Node6->Node7 Node8 zerrgg Node6->Node8 Node7->Node4 Node8->Node4 Node9->Node8 Node10 zdrgsx Node9->Node10 Node10->Node4 Node11->Node8 Node12 zdrgev Node11->Node12 Node12->Node4 Node13->Node8 Node14 zdrgvx Node13->Node14 Node14->Node4 Node15->Node4