(;GM[1]FF[4]SZ[19]
GN[White must be careful]
PC[http://senseis.xmp.net/?GokyoSeimyoVolume3Problem12/Attempts]AP[GoWiki:2009]
DT[2009-07-30]
C[Diagram from http://senseis.xmp.net/?GokyoSeimyoVolume3Problem12/Attempts

White must be careful]
PL[B]

AB[ao][ap][bp][cp][dp][ep][dq][gq][hq][iq][dr][fr][cs][es]
AW[bm][an][bo][co][do][eo][fp][gp][hp][bq][cq][eq][fq][er][bs]

;B[fs]C[B1]MN[1]
;W[aq]C[W2]MN[2]
;B[ar]C[B3]MN[3]
;W[gr]C[W4]MN[4]
;B[hr]C[B5]MN[5]

;
)
