1A2B Number Guess

1A2B is the classic code-breaking game (Bulls & Cows). Guess a hidden digit sequence; each attempt returns A (right digit, right place) and B (right digit, wrong place) to narrow it down logically.

Contents

Key Features

Use Cases

How to Use

  1. Set the code length
  2. Enter a guess
  3. Read the A/B clues
  4. Eliminate impossibilities
  5. Crack the code

Practical Tips

FAQ

What do A and B mean?
A = correct digit in correct place; B = correct digit in wrong place.
Best strategy?
Maximize information per guess by covering many digits and positions.
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