(;GM[1]FF[4]SZ[19]
GN[Variation (i) at B2]
PC[https://senseis.xmp.net/?GokyoShumyoSection1Problem53/Solution]AP[GoWiki:2009]
DT[2023-01-15]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection1Problem53/Solution

Variation (i) at B2]
PL[W]

AB[kb][rb][kc][lc][qc][rc][nd][rd][ke][me][qe][mf][of][qf]
AW[lb][mb][pb][qb][mc][pc][md][pd][qd]

;W[oa]C[W1]MN[1]
;B[nc]C[B2]MN[2]
;W[nb]C[W3]MN[3]
;B[oc]C[B4]MN[4]
;W[ob]C[W5]MN[5]
;B[nf]C[B6]MN[6]
;W[qa]C[W7]MN[7]

;
)
