Related Clues:

• Stamping (on)
• Busy at the back pinching rings
• Happening now, as the game
• What the game is, old-style
• Happening, to Holmes
• A relatively short distance in train
• Underway, as Holmes's game
• Abroad — not very far?
• Happening, going on
• Often how long a ruler is being prepared
• Currently going on
• Sherlock's ''underway''
• Active, per Holmes
• Active, as "the game"
• Unfolding