VARIATION veryLargePipeline
input {
    "pipeline": [
        {
            "$lookup": {
                "from": "A",
                "as": "from0",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from0"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from1",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from1"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from2",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from2"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from3",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from3"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from4",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from4"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from5",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from5"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from6",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from6"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from7",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from7"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from8",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from8"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from9",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from9"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from10",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from10"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from11",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from11"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from12",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from12"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from13",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from13"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from14",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from14"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from15",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from15"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from16",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from16"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from17",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from17"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from18",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from18"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from19",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from19"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from20",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from20"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from21",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from21"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from22",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from22"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from23",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from23"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from24",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from24"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from25",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from25"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from26",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from26"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from27",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from27"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from28",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from28"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from29",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from29"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from30",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from30"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from31",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from31"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from32",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from32"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from33",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from33"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from34",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from34"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from35",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from35"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from36",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from36"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from37",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from37"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from38",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from38"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from39",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from39"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from40",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from40"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from41",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from41"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from42",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from42"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from43",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from43"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from44",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from44"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from45",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from45"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from46",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from46"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from47",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from47"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from48",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from48"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from49",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from49"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from50",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from50"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from51",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from51"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from52",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from52"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from53",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from53"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from54",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from54"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from55",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from55"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from56",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from56"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from57",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from57"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from58",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from58"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from59",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from59"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from60",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from60"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from61",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from61"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from62",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from62"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from63",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from63"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from64",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from64"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from65",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from65"
            }
        },
        {
            "$lookup": {
                "from": "A",
                "as": "from66",
                "localField": "a",
                "foreignField": "b"
            }
        },
        {
            "$unwind": {
                "path": "$from66"
            }
        }
    ]
}
output: {
    "graph": {
        "nodes": [
            {
                "collectionName": "test.pipeline_test",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": ""
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from0"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from1"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from2"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from3"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from4"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from5"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from6"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from7"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from8"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from9"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from10"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from11"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from12"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from13"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from14"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from15"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from16"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from17"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from18"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from19"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from20"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from21"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from22"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from23"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from24"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from25"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from26"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from27"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from28"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from29"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from30"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from31"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from32"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from33"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from34"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from35"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from36"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from37"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from38"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from39"
            },
            {
                "collectionName": "test.A",
                "accessPath": {
                    "filter": {}
                },
                "embedPath": "from40"
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