Can you turn 10 coins of the triangle upside down by moving 3 of the coins?

Move the two outside coins from the bottom row to the outside of the row of two, then move the top coin to the bottom:

...........A.........................................................

.........B.B.................................D.B.B.D......

........C.C.C...........-->................C.C.C..........

.....D.D.D.D...............................D.D...........

.......................................................A.............