B B B C
C B B B

C C C C C C C
C C C C C C C

[a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c]
[a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c]