(;GM[1]FF[4]SZ[19]
GN[Variation]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem22/Attempts]AP[GoWiki:2009]
DT[2010-07-19]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem22/Attempts

Variation]
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:d][ac:c][ad:b][af:a]

;B[ba]C[B1]MN[1]
;W[ea]C[W2]MN[2]
;B[da]C[B3]MN[3]

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