27
3
3
B B B B B B B B B B B B B B B B B * B B B B B B B B B
B B B B B B B B B B B B B B B B B B B B B B B B B B B
B B B B B B B B B B B B B B B B B B B B B B B B B B B
B B B B B B B B B B B B B B B B B B B B B B B B B B B
B B B B B B B B B B B B B B B B B B B B B B B B B B B
B B B B B B B B B B B B B B B B B B B B B B A A A A A
B B B B B B B B B B B B B B B B B B B B B A A A A A A
B B B B B B B B B B B B B B B B B B B B A A A A A A A
B B B B B B B B B B B B B B B B B B B A A A A A A A A
B B B B B B B B B B B B B B B B B B A A A A A A A A A
C C C C C C C C C C C C C C C C C A A A A A A A A A A
C C C C C C C C C C C C C C C C C A A A A A A A A A A
C C C C C C C C C C C C C C C C C A A A A A A A A A A
C C C C C C C C C C C C C C C C C A A A A A A A A A A
C C C C C C C C C C C C C C C C C A A A A A * A A A A
C C C C C C C C C C C C C C C C C C A A A A A A A A A
C C C C C C C C C C C C C C C C C C C A A A A A A A A
C C C C C C C C C C C C C C C C C C C C A A A A A A A
C C C C C C C C C C C C C C C C C C C C C A A A A A A
C C C C C C C C C C C C C C C C * C C C C C A A A A A
C C C C C C C C C C C C C C C C C C C C C C A A A A A
C C C C C C C C C C C C C C C C C C C C C C A A A A A
C C C C C C C C C C C C C C C C C C C C C C A A A A A
C C C C C C C C C C C C C C C C C C C C C C A A A A A
C C C C C C C C C C C C C C C C C C C C C C A A A A A
C C C C C C C C C C C C C C C C C C C C C C A A A A A
C C C C C C C C C C C C C C C C C C C C C C A A A A A