English

Just Pour #1

November 8, 2026

Cups of 4, 7, and 15. Make exactly 9.

Make exactly 9in any cup

Moves
0
Par
8

Choose where the water comes from: the faucet or a cup.

Solution

Show the shortest solution (8 moves)
  1. Fill the 4 cup from the faucet.
  2. Pour the 4 cup into the 7 cup.
  3. Fill the 4 cup from the faucet.
  4. Pour the 4 cup into the 7 cup.
  5. Empty the 7 cup into the drain.
  6. Pour the 4 cup into the 7 cup.
  7. Fill the 15 cup from the faucet.
  8. Pour the 15 cup into the 7 cup.