(;GM[1]FF[4]SZ[19]
GN[The corner is ko]
PC[http://senseis.xmp.net/?TsumegoFromGames19]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TsumegoFromGames19

The corner is ko]
PL[W]

AB[mi][oi][nj][fk][lk][mk][ok][pk][il][jl][pl][fm][lm][mm][pm][rm][fn][qn][fo][lo][mo][no][oo][qo][fq][gq][iq][jq][nq][oq][pq][hr][pr]
AW[ph][qi][hj][mj][rj][nk][qk][dl][hl][nl][ol][rl][hm][jm][dn][gn][kn][nn][on][pn][ko][po][dp][ip][jp][lp][mp][pp][qp][rp][hq][kq][qq]

;W[ro]C[W1]MN[1]
;B[rn]C[B2]MN[2]
;W[so]C[W3]MN[3]
;B[sn]C[B4]MN[4]
;W[qr]C[W5]MN[5]
;B[rr]C[B6]MN[6]
;W[rs]C[W7]MN[7]
;B[sq]C[B8]MN[8]
;W[sr]C[W9]MN[9]

;
)
