class C1:
    # comment 1

    # comment 2
    def __init__(self):
        pass


class C2:
    # comment 2
    def __init__(self):
        pass


class C3:
    def __init__(self):
        pass


class C4:
    """Docstring."""
    # comment 1

    # comment 2
    def __init__(self):
        pass


class C5:
    """Docstring."""
    # comment 2
    def __init__(self):
        pass


class C6:
    """Docstring."""
    def __init__(self):
        pass


class C7:
    attr = 42
    # comment 1

    # comment 2
    def __init__(self):
        pass


class C8:
    attr = 42
    # comment 2
    def __init__(self):
        pass


class C9:
    attr = 42
    def __init__(self):
        pass

class C10:  # comment before statement list
    def __init__(self):
        pass