(;GM[1]FF[4]SZ[19]
GN[Variation - B4 at BB]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem128/Attempts]AP[GoWiki:2009]
DT[2020-09-23]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem128/Attempts

Variation - B4 at BB]
PL[W]

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

;W[aq]C[W1]MN[1]
;B[ar]C[B2]MN[2]
;W[an]C[W3]MN[3]
;W[cs]C[W5]MN[5]

;CR[ao][bq]
)
