(;GM[1]FF[4]SZ[19]
GN[Black encloses]
PC[http://senseis.xmp.net/?LightPlayExample1]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?LightPlayExample1

Black encloses]
PL[W]

AB[cd]

;W[fd]C[W1]MN[1]
;B[dc]C[B2]MN[2]

;
)
