old_contents: from django.db import models
  
  class Form(models.Model):
      name = models.CharField(max_length=250)
      created_at = models.DateTimeField(auto_now_add=True)
      has_time_limit = models.BooleanField()
      time_limit = models.DateTimeField(null=True)
  
  class Question(models.Model):
      text = models.TextField()
      min = models.IntegerField()
      max = models.IntegerField()
      form = models.ForeignKey(Form, related_name='questions')
new_contents: from django.db import models
  
  class Form(models.Model):
      name = models.CharField(max_length=250)
      created_at = models.DateTimeField(auto_now_add=True)
      has_time_limit = models.BooleanField()
      time_limit = models.DateTimeField(null=True)
  
  class Question(models.Model):
      text = models.TextField()
      min = models.IntegerField()
      max = models.IntegerField()
      reversed = models.BooleanField()
      form = models.ForeignKey(Form, related_name='questions')
subject: add reversed field for Question model