Sunday 25 October 2026 · Stones · Tough
Kind of thinking: Planning + PatternYukti #16 was a Tough stones game, the puzzle for Sunday 25 October 2026. Yukti, a daily logic puzzle at playyukti.com, gives everyone the same puzzle each day. Here is the puzzle, and its shortest route with the reason for every step.
The puzzle
Leave the last stones to the ferryman.
You and the ferryman take turns. Each turn takes 1, 2, or 4 stones from the pile. Whoever takes the last stones gives the game away.
The ferryman never slips. Every take must keep the last take certain to be the ferryman's.
What is the shortest route?
Your takes, each with why it keeps the game yours.
- 1
Take 4.
From there, every take the ferryman has leaves you a safe reply. The ferryman took 1.
- 2
Take 2.
From there, every take the ferryman has leaves you a safe reply. The ferryman took 1.
- 3
Take 2.
From there, every take the ferryman has leaves you a safe reply. The ferryman took 1.
- 4
Take 2.
From there, every take the ferryman has leaves you a safe reply. The ferryman took 1.
- 5
Take 2.
The ferryman had to take the last stones: 1.
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