(;GM[1]FF[4]SZ[19]
GN[Black cannot kill because of [shortage of liberties\]]
PC[http://senseis.xmp.net/?PGB141]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?PGB141

Black cannot kill because of [shortage of liberties\]]
PL[W]

AB[ga][bb][gb][jb][kb][nb][ob][bc][cc][fc][hc][ic][mc][pc][qc][ad][cd][fd][gd][id][md][nd][od][be][de][ee][ge][ie][bf][ef][gf][hf][lf][mf][nf][eg][fg][kg][ih][kh][di][ei][hi][ji][aj][bj][cj][fj][jj][ck][fk][dl][ql][rl][dm][gm][pm][rm][cn][mn][pn][bo][do][oo][ro][cp][pp][qp][rq][pr][qr]
AW[ba][ca][ea][fa][la][na][cb][db][fb][ib][mb][dc][ec][jc][kc][lc][nc][rc][dd][jd][ld][qd][ce][he][je][ke][re][cf][ff][if][kf][pf][bg][cg][gg][hg][jg][lg][dh][eh][fh][hh][jh][gi][gj][bk][dk][ek][gk][qk][rk][al][cl][el][ml][ol][pl][bm][cm][qm][bn][qn][dp][np][op][dq][fq][kq][nq][oq][pq][qq][or]

;W[fl]C[W1]MN[1]
;B[gl]C[B2]MN[2]
;W[fi]C[W3]MN[3]
;B[ej]C[B4]MN[4]
;W[ci]C[W5]MN[5]
;B[dj]C[B6]MN[6]
;W[bi]C[W7]MN[7]
;B[fm]C[B8]MN[8]
;W[an]C[W9]MN[9]

;
)
