According to fernbahn.de, ICE566 is an ICE 3 until 15/07/2024 and a shortened ICE 1 from 16/07/2024. If you follow this link, it will take you to the page of ICEs 500 to 599, scroll down to ICE 566 and the lower one (ab 16/07/2024) is the train you require. Clicking on the green box below the...