Fields:
  plugingroup = [0, 1, 2, 3, 4]
Conditions:
Limits:
Initial: 
  State: plugingroup=0
Transition: active_plugin_group_activate 0, 'Challenges'
  State: 
         plugingroup=0
Transition: active_plugin_group_activate 1, 'Solvers'
  State: 
         plugingroup=1
Transition: active_plugin_group_activate 2, 'Pretty patterns'
  State: 
         plugingroup=2
Transition: active_plugin_group_activate 3, 'Library'
  State: 
         plugingroup=3
Transition: active_plugin_group_activate 4, 'Move transformations'
  State: 
         plugingroup=4
