(;GM[1]FF[4]SZ[19]
GN[Black to play and live by [oiotoshi\]]
PC[http://senseis.xmp.net/?GokyoShumyoSection5Problem27/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection5Problem27/Solution

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

AB[dc][ec][gc][cd][gd][ce][bf][cf][bg][dg][eg][fg][gg]
AW[bc][cc][bd][dd][hd][de][ge][df][ff][hf][cg][ch][ci]

;B[fe]C[B1]MN[1]
;W[ef]C[W2]MN[2]
;B[gf]C[B3]MN[3]
;W[fd]C[W4]MN[4]
;B[ed]C[B5]MN[5]
;W[ee]C[W6]MN[6]

;
)
