data/polygon_teacher_classes.json

{
  "1": 1,
  "2": 2,
  "3": 2,
  "4": 1,
  "5": 1,
  "6": 3,
  "7": 3,
  "8": 3,
  "9": 3,
  "10": 3,
  "11": 3,
  "12": 3,
  "13": 1,
  "14": 4,
  "15": 1,
  "16": 5,
  "17": 6,
  "18": 7,
  "19": 7,
  "20": 7,
  "21": 7,
  "22": 1,
  "23": 1
}