(;GM[1]FF[4]SZ[19]
GN[Diag. 4d: continuation from diag. 3]
PC[http://senseis.xmp.net/?IgoHatsuyoRonProblem38/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?IgoHatsuyoRonProblem38/Attempts

Diag. 4d: continuation from diag. 3]
PL[B]

AB[oa][ra][mb][nb][lc][md][nd][od][qd][qe][re][of][qf]
AW[na][ob][rb][nc][oc][qc][rc][pd][rd]
SQ[oa][ra]

;B[pc]C[B1]MN[1]
;W[qa]C[W2]MN[2]
;B[pb]C[B3]MN[3]
;W[sa]C[W4]MN[4]

;SQ[oa][ra]
)
