{"text_format":"2","workbook":"xlsx","n_sheets":1,"sheets":["Sheet1"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":0,"defined_names":0,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"run_cost":"one","rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":7,"n_cols":19,"rows_kept":7,"cut":false,"hidden":false,"merged":[]}
["final path","dropdown for col1","dropdown for col2","dropdown for col3",null,null,"key value","col1","col2","col3",{"$nulls":6},"col1 vals","col2 vals","col3 vals"]
[{"$f":"LookUpConCat(B2,H:H,G:G,CHAR(58),FALSE)","v":"OPTION4:OPTION6"},3333,"omega","stuff",null,null,"OPTION1",1111,"alpha","stuff",{"$nulls":6},1111,"alpha","stuff"]
[{"$nulls":6},"OPTION2",1111,"beta","stuff",{"$nulls":6},2222,"beta","things"]
[{"$nulls":6},"OPTION3",2222,"alpha","things",{"$nulls":6},3333,"omega","such"]
[{"$nulls":6},"OPTION4",3333,"omega","stuff"]
[{"$nulls":6},"OPTION5",2222,"beta","such"]
[{"$nulls":6},"OPTION6",3333,"alpha","things"]