(;GM[1]FF[4]SZ[19]
GN[Black to live]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem30]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem30

Black to live]
PL[B]

AB[bi][cj][ck][bm][cm][bn]
AW[bh][ch][ci][dj][dk][dl][dm][cn][co][cq]


;
)
