(;GM[1]FF[4]SZ[19]
GN[Black lives in sente]
PC[http://senseis.xmp.net/?TsumegoFromGames170/Attempts]AP[GoWiki:2009]
DT[2012-09-16]
C[Diagram from http://senseis.xmp.net/?TsumegoFromGames170/Attempts

Black lives in sente]
PL[B]

AB[nb][ob][nc][pc][qc][rc][nd][pd][ne][of][og][pg][nh][oh][rh][ni][qi][nj][oj][qj][nk][pk][nl][ol][pl][om][nn][no][oo][op][pp][pq][pr][qr]
AW[pb][oc][od][rd][oe][pe][pf][qf][qg][ph][qh][oi][pi][pj][qk][ql][pm][rm][qn][po][qp][qq]
CR[rh]
LB[sf:a]

;B[rf]C[B1]MN[1]
;W[ri]C[W2]MN[2]
;B[rj]C[B3]MN[3]
;W[rg]C[W4]MN[4]
;B[si]C[B5]MN[5]
;W[re]C[W6]MN[6]
;B[rk]C[B7]MN[7]
;W[rl]C[W8]MN[8]
;B[sk]C[B9]MN[9]
;W[qd]C[W10]MN[10]

;CR[rh]
LB[sf:a]
)
