1. 51.
    0
    ccccccccccccccccc
    ···
  2. 52.
    0
    ggggggggggggggggggggggggggggggg
    ···
  3. 53.
    0
    cccccccccccccccccc
    ···
  4. 54.
    0
    ccccccccccc
    ···
  5. 55.
    0
    ddddddddddddddddd
    ···
  6. 56.
    0
    ccccccccccccccc
    ···
  7. 57.
    0
    xxxxxxxxxxxxxxxxxxxx
    ···
  8. 58.
    0
    xxxxxxxxxxxxxxxxxxxxxxxx
    ···
  9. 59.
    0
    xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
    ···
  10. 60.
    0
    hhhhhhhhhhhhhhhhhhhhhhhhhhhhh
    ···
  11. 61.
    0
    gggggggggg
    ···
  12. 62.
    0
    xxxxxxxxxxxxxxx
    ···
  13. 63.
    0
    ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
    ···
  14. 64.
    0
    ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
    ···
  15. 65.
    0
    cccccccccccc
    ···
  16. 66.
    0
    ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
    ···
  17. 67.
    0
    dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
    ···
  18. 68.
    0
    dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
    ···
  19. 69.
    0
    jjjjjjjjjjjjjjjjjjjjjjjjjj
    ···
  20. 70.
    0
    xxxxxxxxxxx
    ···