(;GM[1]FF[4]SZ[19]
GN[Under the Stones with a ko. *w21*=*ws*, *b22*=*bs*]
PC[http://www.go4go.net/]
AP[GoWiki:2009]
DT[2023-12-03]
C[Diagram from http://www.go4go.net/

Under the Stones with a ko. *w21*=*ws*, *b22*=*bs*]
PL[B]

AB[bm][hm][jm][lm][qm][cn][in][ln][on][pn][rn][jo][ko][qo][ro][so][cp][fp][gp][hp][ip][op][pp][rp][cq][fq][iq][mq][pq][qq][cr][dr][lr][mr][nr][or][rr][ks][ms][rs]
AW[em][gm][mm][gn][hn][mn][do][lo][mo][no][oo][po][dp][kp][mp][np][dq][eq][gq][hq][kq][lq][nq][oq][er][fr][ir][jr][kr][pr][qr][js][os][ps]
SQ[pr][ks]

;B[qs]C[B18]MN[18]
;W[ls]C[W19]MN[19]
;B[ns]C[B20]MN[20]

;SQ[pr][ks]
)
