4th round—1 black on the black, 3 gold on the 2 in the last round.
5th round—1 black on the black, 4 gold on the 3 underneath.
6th round—1 black on the black, 5 gold on the 4 underneath.
7th round—1 black on the black, 6 gold on the 5 underneath.
8th round—1 black on the black, 7 gold over the 6.
9th round—1 black on the black, 8 gold over the 7.
10th round—1 black on the black, 9 gold over the 8.
11th round—1 black on the black, 10 gold over the 9.
12th round—1 black on the black, 11 gold over the 10.
13th round—1 black on the black, 12 gold over the 11.