(;GM[1]FF[4]SZ[19]
GN[solution?]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem22/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem22/Attempts

solution?]
PL[B]

AB[bb][cb][db][ib][cc][fc][gc][hc][ic][dd][be][ce][de][fe]
AW[ab][eb][fb][gb][hb][bc][dc][ec][bd][cd][ae][bf][cg]
LB[aa:a][ac:b][ad:c][af:d]

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

;LB[aa:a][ac:b][ad:c][af:d]
)
