{
  "rules": {
    "primaryKeys": [
      "id",
      "number"
    ]
  },
  "data": [
    {
      "id": "challenge_slot-exam_card_play_aggressive",
      "number": 1,
      "unlockDescription": ""
    },
    {
      "id": "challenge_slot-exam_card_play_aggressive",
      "number": 2,
      "unlockDescription": "Ranked first in the final exam of the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_card_play_aggressive",
      "number": 3,
      "unlockDescription": "Obtain a Produce Rating of S in the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_concentration",
      "number": 1,
      "unlockDescription": ""
    },
    {
      "id": "challenge_slot-exam_concentration",
      "number": 2,
      "unlockDescription": "Ranked first in the final exam of the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_concentration",
      "number": 3,
      "unlockDescription": "Obtain a Produce Rating of S in the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_full_power",
      "number": 1,
      "unlockDescription": ""
    },
    {
      "id": "challenge_slot-exam_full_power",
      "number": 2,
      "unlockDescription": "Ranked first in the final exam of the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_full_power",
      "number": 3,
      "unlockDescription": "Obtain a Produce Rating of S in the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_lesson_buff",
      "number": 1,
      "unlockDescription": ""
    },
    {
      "id": "challenge_slot-exam_lesson_buff",
      "number": 2,
      "unlockDescription": "Ranked first in the final exam of the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_lesson_buff",
      "number": 3,
      "unlockDescription": "Obtain a Produce Rating of S in the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_parameter_buff",
      "number": 1,
      "unlockDescription": ""
    },
    {
      "id": "challenge_slot-exam_parameter_buff",
      "number": 2,
      "unlockDescription": "Ranked first in the final exam of the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_parameter_buff",
      "number": 3,
      "unlockDescription": "Obtain a Produce Rating of S in the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_review",
      "number": 1,
      "unlockDescription": ""
    },
    {
      "id": "challenge_slot-exam_review",
      "number": 2,
      "unlockDescription": "Ranked first in the final exam of the \"Master\" difficulty"
    },
    {
      "id": "challenge_slot-exam_review",
      "number": 3,
      "unlockDescription": "Obtain a Produce Rating of S in the \"Master\" difficulty"
    }
  ]
}