(;GM[1]FF[4]SZ[19]
GN[Another variation at B2]
PC[https://senseis.xmp.net/?GokyoShumyoSection1Problem37/Solution]AP[GoWiki:2009]
DT[2022-03-09]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection1Problem37/Solution

Another variation at B2]
PL[W]

AB[jb][ob][pb][ic][jc][nc][qc][pd][ie][je][pe][kf][mf][of]
AW[nb][kc][oc][pc][ld][md][nd][od]

;W[oa]C[W1]MN[1]
;B[mb]C[B2]MN[2]
;W[na]C[W3]MN[3]
;B[mc]C[B4]MN[4]
;W[qb]C[W5]MN[5]
;B[ma]C[B6]MN[6]
;W[pa]C[W7]MN[7]
;B[kb]C[B8]MN[8]
;W[rc]C[W9]MN[9]

;
)
