- Goal
  - You need to generate {num} independent test samples according to given instructions. These samples will be used as answers of a given puzzle, and to evaluate a player's ability.
  - Output format should strictly follow the description of the answer of the given puzzle.

- Instruction
1. The puzzle we are targeting is {algorithm}. The rule is as follows:
{description}

2. Note that the samples you generate must be {answer_format}

3. Try to make the data you generate have a difficulty gradient.