(;GM[1]FF[4]SZ[19]
GN[Four-stone game: white's colored hats]
PC[http://senseis.xmp.net/?WearManyHats]AP[GoWiki:2009]
DT[2012-06-26]
C[Diagram from http://senseis.xmp.net/?WearManyHats

Four-stone game: white's colored hats]
PL[W]

AB[dd][pd][dp][pp]

;W[cn]C[W1]MN[1]

;
)
