(;GM[1]FF[4]SZ[19]
GN[Playing the vital point (ctd)]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem128/Attempts]AP[GoWiki:2009]
DT[2020-09-23]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem128/Attempts

Playing the vital point (ctd)]
PL[W]

AB[am][bn][cn][ao][do][ap][cp][ar][br][cr]
AW[bm][cm][dm][en][bo][eo][bp][ep][eq][dr][fr][bs][cs]

;W[bq]C[W1]MN[1]
;B[cq]C[B2]MN[2]
;W[dn]C[W3]MN[3]
;B[dp]C[B4]MN[4]

;
)
