parent_id,child_id,adj_inc_edge_id,adj_out_edge_id,inc_edge_id,out_edge_id
106231,109295,513136,513135,519797,519796
106234,109296,513152,513151,519799,519798
106234,109297,513156,513155,519801,519800
108769,109333,513862,513863,519873,519874
109986,107587,517054,512766,516929,517055
109986,109313,513841,513840,519834,519833