{ "testml": "0.3.0",
  "code": [
    ["%<>",["!*d"],
      ["=>",[],
        [["<>",
            ["*a","*b","*c"],
            ["==",
              [".",
                ["*","a"],
                ["add",
                  ["*","b"]]],
              ["*","c"],
              "+ - {*a} + {*b} == {*c}"]]]]],
    ["%<>",[],
      ["<>",
        ["!*d"],
        ["=>",[],
          [["<>",
              ["*c","*a","*b"],
              ["==",
                [".",
                  ["*","c"],
                  ["sub",
                    ["*","a"]]],
                ["*","b"],
                "+ - {*c} - {*a} == {*b}"]]]]]]],
  "data": [
    { "label": "Test 1",
      "point": {
        "a": 111,
        "b": 222,
        "c": 333,
        "d": ""}},
    { "label": "Test 2",
      "point": {
        "a": 444,
        "b": 555,
        "c": 999}}]}