def merge_two_lists(t1, t2):
    """
    Merge two tuples of lists
    Args:
        t1: the tuple of the first lists
        t2: the tuple of the second lists

    Returns:
        a new tuple of the merged lists
    """
    a1, b1 = t1
    a2, b2 = t2

    return a1 + a2, b1 + b2