(;GM[1]FF[4]SZ[19]
GN[Four stones for sente.]
PC[http://senseis.xmp.net/?BSR2003W118Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BSR2003W118Discussion

Four stones for sente.]
PL[W]

AB[da][eb][lb][nb][ob][bc][cc][dc][oc][bd][ed][od][qd][pe][ef][of][qf][rf][dg][fg][kg][og][pg][rg][eh][bi][ci][di][ei][ji][ki][fj][gj][jj][hk][ik][jk][il][dm][cn][en][jn][do][eo][fo][bp][gp][hp][op][rp][hq][jq][pq][ir]
AW[fb][mb][ec][fc][nc][cd][dd][nd][be][ee][fe][je][ne][oe][df][kf][cg][gg][mg][qg][ch][fh][hh][ph][qh][fi][gi][ii][li][qi][cj][hj][kj][lj][gk][hl][kl][pl][fn][kn][nn][co][go][lo][qo][dp][ep][fp][cq][eq][gq][fr][hr][fs][hs]
CR[lb][cq]
SQ[lo]
LB[ng:a]

;W[ma]C[W1]MN[1]
;B[mc]C[B2]MN[2]
;W[lc]C[W3]MN[3]
;B[md]C[B4]MN[4]
;W[ld]C[W5]MN[5]
;B[me]C[B6]MN[6]
;W[kb]C[W7]MN[7]

;CR[lb][cq]
SQ[lo]
LB[ng:a]
)
