{"status":"ok","environment":"lexarena","version":"3.0.0","spec":"openenv","tiers":[1,2,3,4,5,6],"t2_tasks":["task_1_easy","task_2_medium","task_3_hard"],"legal_iq_formula":"0.15·T1 + 0.15·T2 + 0.20·T3 + 0.50·(0.25·T4 + 0.35·T5 + 0.40·T6)"}