{
  "@context": "http://www.w3.org/ns/shex.jsonld",
  "type": "Schema",
  "shapes": [
    {
      "id": "http://a.example/base/P",
      "type": "NodeConstraint",
      "values": [
        "http://a.example/base/p",
        "http://a.example/base/pt1",
        "http://a.example/base/pt2"
      ]
    },
    {
      "id": "http://a.example/base/T",
      "type": "NodeConstraint",
      "values": [
        "http://a.example/base/t",
        "http://a.example/base/pt1",
        "http://a.example/base/pt2"
      ]
    },
    {
      "id": "http://a.example/base/S1",
      "type": "Shape",
      "expression": {
        "type": "EachOf",
        "expressions": [
          {
            "type": "TripleConstraint",
            "predicate": "http://a.example/a",
            "valueExpr": "http://a.example/base/P",
            "min": 0,
            "max": -1
          },
          {
            "type": "TripleConstraint",
            "predicate": "http://a.example/a",
            "valueExpr": "http://a.example/base/T"
          }
        ]
      }
    },
    {
      "id": "http://a.example/base/S2",
      "type": "Shape",
      "expression": {
        "type": "EachOf",
        "expressions": [
          {
            "type": "TripleConstraint",
            "predicate": "http://a.example/a",
            "valueExpr": "http://a.example/base/T",
            "min": 0,
            "max": -1
          },
          {
            "type": "TripleConstraint",
            "predicate": "http://a.example/a",
            "valueExpr": "http://a.example/base/P"
          }
        ]
      }
    },
    {
      "id": "http://a.example/base/S3",
      "type": "Shape",
      "expression": {
        "type": "EachOf",
        "expressions": [
          {
            "type": "TripleConstraint",
            "predicate": "http://a.example/a",
            "valueExpr": "http://a.example/base/P",
            "min": 0,
            "max": -1
          },
          {
            "type": "TripleConstraint",
            "predicate": "http://a.example/a",
            "valueExpr": "http://a.example/base/T",
            "min": 0,
            "max": -1
          }
        ]
      }
    },
    {
      "id": "http://a.example/base/S4",
      "type": "Shape",
      "expression": {
        "type": "EachOf",
        "expressions": [
          {
            "type": "TripleConstraint",
            "predicate": "http://a.example/a",
            "valueExpr": "http://a.example/base/P",
            "min": 2,
            "max": 2
          },
          {
            "type": "TripleConstraint",
            "predicate": "http://a.example/a",
            "valueExpr": "http://a.example/base/T",
            "min": 2,
            "max": 2
          }
        ]
      }
    }
  ]
}