% Data from
% Mike Trick: "Operations Research, Sudoko, Rogo, and Puzzles"
% http://mat.tepper.cmu.edu/blog/?p=1302
%
% 
% This has 48 solutions with symmetries;
% 4 when the path symmetry is removed.
5
9
12
8
2 W W W W W W W W
W 3 W W 1 W W 2 W
W W W W W W B W 2
W W 2 B W W W W W
W W W W 2 W W 1 W