User blog comment:Uselessguy/Guess Levels in the whole series/@comment-25154254-20150101081212

QUESTION 20 (20 points) (Hint: 2pps or 1lp)

Let's slove this riddle!

! - - - - O - - - - O ! O - - - - - O - - - ! - - O - - - - - - - ! - - - O - - - - O - ! - - O - - - - O - -