(;GM[1]FF[4]SZ[19]
GN[White kills]
PC[http://senseis.xmp.net/?TJHProblem7/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TJHProblem7/Solution

White kills]
PL[W]

AB[ig][jg][hh][kh][hi][ki][hj][kj][hk][kk][il][jl]
AW[hf][if][jf][kf][hg][kg][gh][lh][gi][li][gj][lj][gk][lk][hl][kl][hm][im][jm][km]
LB[ii:a]

;W[jh]C[W1]MN[1]
;B[ih]C[B2]MN[2]
;W[ji]C[W3]MN[3]
;B[jj]C[B4]MN[4]
;W[ik]C[W5]MN[5]
;B[ij]C[B6]MN[6]
;W[jk]C[W7]MN[7]

;LB[ii:a]
)
