(;GM[1]FF[4]SZ[19]
GN[Black takes 4 stones]
PC[http://senseis.xmp.net/?RTGProblem49a/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem49a/Solution

Black takes 4 stones]
PL[B]

AB[ba][bb][fb][bc][cc][dc][ec][fc][gc][hc][ic]
AW[da][fa][ha][cb][db][eb][gb][hb][ib][jc][bd][cd][dd][ed][fd][gd][id][jd]
LB[ea:a]

;W[jb]C[W6]MN[6]
;B[ca]C[B7]MN[7]
;W[ga]C[W8]MN[8]

;LB[ea:a]
)
