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  1. 1.
    13 Hz Concentration
    2:35
  2. 2.
    14 Hz Focused Attention
    2:00
  3. 3.
    18 Hz Cognitive Thinking
    2:02
  4. 4.
    20 Hz Problem-Solving
    2:43
  5. 5.
    30 Hz Beta Waves
    2:07

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