(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?BQM151]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM151

Black to play]
PL[W]

AB[oc][qc][rc][qd][pe][re][lf][kg][mg][lh][nh][ki][li][mi][oi][lj][lk][mk][ml][ql][mm][in][mn][nn][on][rn][jo][po][qo][cp][gp][jp][kp][lp][mp][op][pp][nq][oq][mr]
AW[dd][pd][rd][qe][qf][qg][jh][kh][ji][ni][jj][kj][mj][oj][pj][qj][ik][kk][nk][pk][il][kl][nl][pl][im][km][lm][om][rm][jn][ln][pn][qn][ko][lo][mo][no][oo][ro][np][qp][mq][pq][qq]
LB[cg:a]

;W[cn]C[W1]MN[1]
;B[ep]C[B2]MN[2]

;LB[cg:a]
)
