What is the largest vehicle a C1 driver's license can drive?

[OLila]

C1 driver's license can drive small passenger vehicles with 9 seats or less (including 9 seats); light and small trucks with a total mass of 4,500 kg or less (including 4,500 kg), a vehicle length of 6 meters or less (including 6 meters), and an approved load capacity of 1,500 kg or less (including 1,500 kg). Permitted vehicle types for C1 license: The driving scope of a C1 driver's license includes small and mini passenger vehicles, as well as light and mini cargo vehicles; light, small, and mini special-purpose vehicles; small passenger vehicles with a seating capacity of 9 people or less. Vehicles that a C1 driver's license cannot drive: large buses, tractors, city buses, medium-sized buses, large trucks, ordinary three-wheeled motorcycles, ordinary two-wheeled motorcycles, light motorcycles, wheeled self-propelled machinery, trolleybuses, and trams. Additionally, a C1 license cannot drive vehicles with more than 9 seats or trucks with a total length exceeding 6 meters.