(;GM[1]FF[4]SZ[19]
GN[Black dies]
PC[http://senseis.xmp.net/?Jfc001/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Jfc001/Solution

Black dies]
PL[W]

AB[cc][cd][dd][fd][pd][ce][bf][cf][cg][qj][dp][pp]
AW[dc][ec][ed][de][fe][df][ef][bg][ah][ch][dh][bi]

;W[cb]C[W1]MN[1]
;B[bb]C[B2]MN[2]
;W[ba]C[W3]MN[3]
;B[ab]C[B4]MN[4]
;W[af]C[W5]MN[5]
;B[ae]C[B6]MN[6]
;W[bd]C[W7]MN[7]

;
)
