(;GM[1]FF[4]SZ[19]
GN[Black cannot live]
PC[http://senseis.xmp.net/?212SSNotcher]AP[GoWiki:2009]
DT[2009-10-15]
C[Diagram from http://senseis.xmp.net/?212SSNotcher

Black cannot live]
PL[B]

AB[gq][hq][iq][jq][gr][jr][kr]
AW[fp][gp][hp][ip][jp][kp][fq][kq][lq][fr][lr]

;B[is]C[B1]MN[1]
;W[ks]C[W2]MN[2]
;B[gs]C[B3]MN[3]
;W[hr]C[W4]MN[4]

;
)
