(;GM[1]FF[4]SZ[19]
GN[Black to play and live by [oiotoshi\]]
PC[http://senseis.xmp.net/?GokyoShumyoSection5Problem3/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection5Problem3/Solution

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

AB[db][bc][cc][dc][ec][ed][ee][cf][ef][cg][dg]
AW[da][bb][cb][eb][gb][ac][fc][bd][cd][dd][de][ge][df][eg][fg]

;B[ab]C[B1]MN[1]
;W[aa]C[W2]MN[2]
;B[ca]C[B3]MN[3]
;W[ba]C[W4]MN[4]
;B[be]C[B5]MN[5]
;W[ea]C[W6]MN[6]
;B[ce]C[B7]MN[7]
;W[ad]C[W8]MN[8]
;B[ae]C[B9]MN[9]

;
)
