[{
  "_exerciseType": "Comment: DFA, NFA, REGEXP, GRAMMAR, PDA, TM.",
  "exerciseType": "TM",
  "totalTestCases": 5,
  "containLetters": ["a","b","c"],
  "randomStringLength": [0, 15],
  "_hardCodeCasesCounter": "Comment: Number of hard code test cases.",
  "hardCodeCasesCounter": 5,
  "description": "Write a Turing machine that replace every substring aba with aca, where $\\Sigma = \\{a, b\\}$",
  "testCases": [{
      "aaaa": "aaaa",
      "ShowTestCase":true
    },
    {
      "bbbb": "bbbb",
      "ShowTestCase":true
    },
    {
      "aba": "aca",
      "ShowTestCase":true
    },
    {
      "aababa": "aacaca",
      "ShowTestCase":true
    },
    {
      "abbaba": "abbaca",
      "ShowTestCase":true
    }
  ],
  "graph": {
    "nodes": [],
    "edges": []
  },
  "solution": ""
}]