- name: sample1
  in: |
    3
    wbb
    o_o
    
  out: |
    2
    

- name: sample2
  in: |
    4
    wwww
    o__o
    
  out: |
    3
    

- name: sample3
  in: |
    9
    bbwbwbwbb
    _o_o_o_o_
    
  out: |
    5
    

- name: sample4
  in: |
    17
    wwwwbbbbbbbbwwwwb
    __o__o_o_ooo__oo_
    
  out: |
    11
    
