(;GM[1]FF[4]SZ[19]
GN[Surround in sente]
PC[https://senseis.xmp.net/?SurroundInSente]AP[GoWiki:2009]
DT[2022-01-18]
C[Diagram from https://senseis.xmp.net/?SurroundInSente

Surround in sente]
PL[W]

AB[ed][fd][gd][ce][he][ef][hf][cg][dg][fg][gg][hg][hh][ii][bj][ak][ck][ek][gk][bl][cl][fl][am][dm][em][fm][bn][en][gn][bo][fo][cp][dp][pp][eq][er]
AW[dc][ec][fc][hc][hd][qd][ie][ff][if][eg][ig][eh][fh][ih][ci][ei][gi][hi][cj][dj][dk][dl][el][bm][cm][cn][dn][co][do][eo][ep][fp][fq]
CR[ii]
LB[hp:b][cr:a]

;W[fr]C[W1]MN[1]
;B[ij]C[B2]MN[2]
;W[fj]C[W3]MN[3]
;B[fk]C[B4]MN[4]
;W[hk]C[W5]MN[5]
;B[hj]C[B6]MN[6]
;W[gj]C[W7]MN[7]
;B[hl]C[B8]MN[8]
;W[dh]C[W9]MN[9]

;CR[ii]
LB[hp:b][cr:a]
)
