The Challenge of Teaching Reasoning to LLMs Without RL or Distillation. - Wei Du; Branislav Kisacanin; George Armstrong; Shubham Toshniwal; Ivan Moshkov; Alexan Ayrapetyan; Sadegh Mahdavi; Dan Zhao; Shizhe Diao; Dragan Masulovic; Marius Stanean; Advaith Avadhanam; et al. (CoRR, 2025)