(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?RTGProblem47/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem47/Attempts

Black to play]
PL[B]

AB[bm][cn][en][bo][eo][go][ap][bp][cp][ep][hp][ip][bq][eq][iq][cr][gr][ir][kr][cs][ds][hs]
AW[co][do][dp][cq][dq][fq][gq][hq][dr][er][hr][es][gs]
CR[hs]
SQ[gs]
LB[br:a][bs:b]

;B[fs]C[B1]MN[1]
;W[fr]C[W2]MN[2]
;W[is]C[W4]MN[4]

;CR[hs]
SQ[gs]
LB[br:a][bs:b]
)
