<image>Color the two billboards below (as shown in Figures A and B) using n different colors, with the requirement that adjacent regions (those sharing a common boundary) in regions ①, ②, ③, and ④ do not use the same color.
(1) If n=6, how many different ways are there to color Figure A?
(2) If there are 120 different ways to color Figure B, find the value of n.

