(;GM[1]FF[4]SZ[19]
GN[Variation at B4]
PC[https://senseis.xmp.net/?ShikatsuMyokiTsumegoSeries21/Solution]AP[GoWiki:2009]
DT[2023-01-28]
C[Diagram from https://senseis.xmp.net/?ShikatsuMyokiTsumegoSeries21/Solution

Variation at B4]
PL[W]

AB[pb][qb][mc][od][pd][rd][qe]
AW[pa][nb][ob][lc][ld][nd][sd][ne][of][qf][rf][qh]

;W[re]C[W1]MN[1]
;B[sc]C[B2]MN[2]
;W[rb]C[W3]MN[3]
;B[rc]C[B4]MN[4]
;W[sb]C[W5]MN[5]
;B[pe]C[B6]MN[6]
;W[qc]C[W7]MN[7]
;B[qd]C[B8]MN[8]
;W[qa]C[W9]MN[9]

;
)
