Case C-590/18 P: Judgment of the Court (Seventh Chamber) of 19 December 2019 — Fujikura Ltd v European Commission, Viscas Corp. (Appeal — Competition — Agreements, decisions and concerted practices — European market for underground and submarine power cables — Market allocation in connection with projects — Fines — 2006 Guidelines on the method of setting fines — Determination of the relative weight of the European and non-European participants in the cartel — Participation of European undertakings at several levels of the cartel — Principle of equal treatment)