Case T-33/05: Judgment of the General Court of 3 February 2011 — Cetarsa v Commission (Competition — Agreements, decisions and concerted practices — Spanish market for the purchase and first processing of raw tobacco — Decision finding an infringement of Article 81 EC — Price fixing and market-sharing — Fines — Gravity and duration of the infringement — Equal treatment — Principle of proportionality — Maximum limit of 10 % of turnover — Cooperation)