Case C-288/05: Judgment of the Court (Second Chamber) of 18 July 2007 (reference for a preliminary ruling from the Bundesgerichtshof — Germany) — Criminal proceedings against Jürgen Kretzinger (Convention implementing the Schengen Agreement — Article 54 — Ne bis in idem principle — Notion of same acts — Contraband cigarettes — Importation into several Contracting States — Prosecution in different Contracting States — Notion of enforcement of criminal penalties — Suspension of the execution of the sentence — Setting-off of brief periods of detention pending trial — European arrest warrant)