inter_no,node_id,inter_type
436,109836,parent
437,109986,parent
438,106350,parent
442,106332,parent
443,108769,parent
455,109901,parent
456,106231,parent
457,106234,parent
458,106238,parent
456,109295,child
457,109296,child
457,109297,child
443,109333,child
437,107587,child
437,109313,child