Friday 6 November 2026 · River crossing · Tough
Kind of thinking: PlanningYukti #28 was a Tough river crossing, the puzzle for Friday 6 November 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
Get everyone across the river.
The boat carries you and 2 passengers. Only you can row.
Everyone is safe while you're with them. Without you, these can't be left together:
- the sheep or the goat with the grass or the cabbage
- the lion with the sheep or the goat
- Once the grass is across, it won't come back.
What is the shortest route?
The shortest route is 7 moves. Each step says why it works.
- 1
Take the sheep and the goat across.
If you take anything else, the sheep is left with the grass, the cabbage, the lion, or the goat.
- 2
Row back alone.
The sheep and the goat are safe together.
- 3
Take the grass across.
Taking the cabbage and the lion instead works too.
- 4
Bring the sheep and the goat back.
If you take anything else, the grass is left with the sheep or the goat.
- 5
Take the cabbage and the lion across.
The sheep and the goat are safe together.
- 6
Row back alone.
The grass, the cabbage, and the lion are safe together.
- 7
Take the sheep and the goat across.
Everyone is across.
Step 4 is the key step: you bring something back. Sometimes going back is the shortest way forward.
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