Related Clues:

• Morse regularly cracks a difficult puzzle
• Conundrum found in game playing
• Gradual assimilation of ideas or knowledge
• Judges 14:14 has the only one in the Bible
• It makes you think
• A source of wealth turning up, with penning of good puzzle
• Supposing, supposing, three men were frozen; two died, how many were left? That's worth solving!
• Close to bedtime, drink knocked back, old lady closed book
• It's hard to answer for a model
• Title of Elgar's set of variations
• Mysterious person playing in game
• WW2 code
• It's a problem to sit right
• Variations on a puzzle?
• Sit on year end problem