(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?PositionalJudgementProblem2]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?PositionalJudgementProblem2

Black to play]
PL[B]

AB[oc][od][pd][qd][ce][me][re][bf][cf][pf][rf][dg][eg][gg][hg][ig][qg][dh][gh][oh][ph][gi][hi][ni][qi][cj][ij][kj][mj][nj][oj][pj][bk][gk][ik][lk][mk][qk][il][jl][kl][ol][pl][gm][hm][nm][in][mn][nn][io][ko][lo][po][jp][kp][kq][pq][kr]
AW[ob][gc][nc][pc][qc][rc][cd][dd][jd][md][nd][rd][be][de][ne][ef][gf][hf][if][nf][fg][mg][og][eh][fh][hh][lh][nh][qh][ii][ji][li][mi][oi][ej][jj][lj][jk][kk][nk][ok][cl][ll][ml][nl][im][jm][km][lm][mm][cn][hn][ho][dp][ip][lp][hq][jq][lq][ir][jr]
CR[if]
LB[an:b][gp:c][cq:a]


;CR[if]
LB[an:b][gp:c][cq:a]
)
