(;GM[1]FF[4]SZ[19]
GN[Black first]
PC[http://senseis.xmp.net/?HolIgorExploresYoseProblem3]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?HolIgorExploresYoseProblem3

Black first]
PL[B]

AB[cb][dc][ec][cd][dd][df]
AW[db][eb][fb][cc][fc][fd]
CR[fa][cc]
SQ[aa][ab][bb][ac][ad][bd]

;B[bc]C[B1]MN[1]

;CR[fa][cc]
SQ[aa][ab][bb][ac][ad][bd]
)
