在大学的一个 Java 问题上，有一段代码：

class MyExc1 extends Exception {}
class MyExc2 extends Exception {}
class MyExc3 extends MyExc2 {}

public class C1 {
    public static void main(String[] args) throws Exception {
        try {
            System.out.print(1);
            q();
        }
        catch (Exception i) {
            throw new MyExc2();
        }
        finally {
            System.out.print(2);
            throw new MyExc1();
        }
    }

    static void q() throws Exception {
        try {
            throw new MyExc1();
        }
        catch (Exception y) {
        }
        finally {
            System.out.print(3);
            throw new Exception();
        }
    }
}

我被要求给出它的输出。我回答13Exception in thread main MyExc2了，但正确答案是132Exception in thread main MyExc1。为什么会这样？我只是不明白MyExc2去哪里。