(;GM[1]FF[4]SZ[19]
GN[Black to play and live by [oiotoshi\]]
PC[http://senseis.xmp.net/?GokyoShumyoSection5Problem11/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection5Problem11/Solution

Black to play and live by [oiotoshi\]]
PL[B]

AB[ba][bb][fb][hb][cc][gc][hc][cd][dd][ed][fd][gd]
AW[ga][ha][cb][db][gb][ib][dc][ec][fc][ic][id][be][ce][he][df][ff]

;B[ea]C[B1]MN[1]
;W[eb]C[W2]MN[2]
;B[da]C[B3]MN[3]
;W[fa]C[W4]MN[4]
;B[ca]C[B5]MN[5]

;
)
