(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem68/Solution]AP[GoWiki:2009]
DT[2023-02-01]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem68/Solution

Black to play]
PL[B]

AB[kb][ob][jc][oc][qc][kd][ld][md][qd][je][ne][qe][mf][nf][of][rf][jg][mg][ng][og][lh][oh][rh][li][mi][pi][qi][nj][pk]
AW[oa][lb][nb][pb][nc][nd][le][me][pe][lf][pf][lg][pg][mh][ph][ni][oi]
CR[mh]

;B[od]C[B1]MN[1]
;W[oe]C[W2]MN[2]
;B[nh]C[B3]MN[3]

;CR[mh]
)
