(;GM[1]FF[4]SZ[19]
GN[Black resistance]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem253/Solution]AP[GoWiki:2009]
DT[2023-02-10]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem253/Solution

Black resistance]
PL[B]

AB[km][fn][hn][jn][bo][co][eo][ko][ep][lp][mp][np][fq][gq][iq][jq][kq][oq][pq][qq][rq][er][fr][hr][gs]
AW[lo][mo][no][bp][fp][gp][hp][ip][jp][kp][op][pp][qp][rp][cq][dq][eq][hq][br][dr][ir][js]

;B[hs]C[B1]MN[1]
;W[lq]C[W2]MN[2]
;B[lr]C[B3]MN[3]
;W[kr]C[W4]MN[4]
;B[mq]C[B5]MN[5]
;W[es]C[W6]MN[6]
;B[is]C[B7]MN[7]
;W[ds]C[W8]MN[8]
;B[jr]C[B9]MN[9]
;W[fs]C[W10]MN[10]

;
)
