How many losses are suffered in the Hydrophobic-Polar protein folding model if we fold randomly?

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String to fold: 

XOXOOOOOXXXXOOOOXOOXXOOXOOXXOOOXXOOOOOXX

Random fold (* means dead end, backing up):
O→O→X→O               
↑     ↓               
O←O←X O O→O           
    ↑ ↓ ↑ ↓           
    X X→X X           
    ↑     ↓           
    X     O   O→O→O   
    ↑     ↓   ↑   ↓   
    X     O→X→X   X→X 
    ↑               ↓ 
    O             O←O 
    ↑             ↓   
    O←O X→O   O←O←O   
      ↑ ↑ ↓   ↓       
      O←O←X X←X
New record number of incidences (since the server restarted).
(The old record was 0.)

Record number of incidences: 4

Record-achieving fold sequence:
→↓←←↑←↑↑↑↑↑←←↑→→→↓↓→↑→↓↓↓→→↑→→↓→↓←↓←←↓←

Current fold sequence:
→↓←←↑←↑↑↑↑↑←←↑→→→↓↓→↑→↓↓↓→→↑→→↓→↓←↓←←↓←

Current number of incidences Wins achieved: 4 Losses suffered: 4

Try again with the same string