Fuel injector of an internal combustion engine and internal combustion engine

An internal combustion engine, comprising:

• cylinders which are equipped to ignite with help of a second fuel, a first fuel for combusting the first fuel in the cylinders,
• wherein each cylinder comprises a fuel injector, comprising:
• a first needle guide;
• first fuel injection orifices;
• a first nozzle needle that is moveably guided in the first needle guide, and interacts with the first fuel injection orifices such that the first nozzle needle, depending on its position, either opens or blocks a fuel flow of a first, relatively less ignitable fuel through the first fuel injection orifices;
• a second needle guide;
• second fuel injection orifices;
• third fuel injection orifices;
• a second nozzle needle that is moveably guided in the second needle guide, which interacts with the second fuel injection orifices and the third fuel injection orifices such that the second nozzle needle, depending on its position, either:
• blocks a fuel flow of a second, relatively ignitable fuel both through the second fuel injection orifices and also through the third fuel injection orifices,
• opens the fuel flow of a second, relatively ignitable fuel through the second fuel injection orifices and blocks the fuel flow of a second, relatively ignitable fuel through the third fuel injection orifices, or
• opens the fuel flow of a second, relatively ignitable fuel both through the second fuel injection orifices and also through the third fuel injection orifices,
• wherein the first fuel injection orifices are configured to inject the first fuel in a first spray cone with a first cone angle into a combustion space,
• wherein the second fuel injection orifices are configured to inject the second fuel in a second spray cone with a second cone angle into the combustion space, and
• wherein the third fuel injection orifices are configured to inject the second fuel in a third spray cone with a third cone angle into the combustion space.