1. 26.
    0
    +++++++++++++++++++++++++++++++
    ···
  2. 27.
    0
    ++++++++++++++++++++++++
    ···
  3. 28.
    0
    +++++++++++++++++++++++++++
    ···
  4. 29.
    0
    +++++++++++++++++++++++++++++++++
    ···