(;GM[1]FF[4]SZ[19]
GN[Moves 41 to 50]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem343/Solution]AP[GoWiki:2009]
DT[2023-03-02]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem343/Solution

Moves 41 to 50]
PL[W]

AB[mb][nb][nf][rf][fg][mg][rg][hh][lh][ki][fj][gj][hj][jj][ek][fk][gk][hk][ik][el][fl][hl][il][kl][ll][em][fm][im][jm][km][lm][en][fn][gn][jn][kn][fo][go][ho][fp][hp][lp][eq][iq][kq][dr][er][ir]
AW[ma][na][sf][sg][di][fi][gi][hi][ii][ej][ij][dk][jk][kk][dl][gl][jl][dm][gm][hm][mm][dn][hn][in][ln][eo][io][jo][ko][dp][ep][gp][ip][bq][cq][fq][gq][hq][gr][gs]

;W[lk]C[W1]MN[1]
;B[ml]C[B2]MN[2]
;W[nl]C[W3]MN[3]
;B[mk]C[B4]MN[4]
;W[mj]C[W5]MN[5]
;B[nk]C[B6]MN[6]
;W[ok]C[W7]MN[7]
;B[nj]C[B8]MN[8]
;W[ni]C[W9]MN[9]
;B[oj]C[B10]MN[10]

;
)
