Curriculum-filtered subset of OctoReasoner/verl_codeql1_aggressive.
CoT variant. Models were prompted to think first, then box (max_tokens=4096). Kept rows satisfy weak <= 5/8 AND strong >= 2/8, where weak/strong = number of correct rollouts (of 8, strict \boxed{} scoring) from Qwen2.5-Coder-1.5B/-32B-Instruct.
5591 rows kept. Pure verl schema.
