+--> Fizika
  | | +--> 1A
  | | +--> 1C
  | | +--> 2A
  | | +--> 3A
  | | +--> 4A
  +--> TZK
    | |--> 2b
    | |--> 3b
    | +--> 4b
    |--> MPT_3B
    |--> MPT_4B