(;GM[1]FF[4]SZ[19]
GN[Better way]
PC[https://senseis.xmp.net/?GokyoShumyoSection3Problem27/Solution]AP[GoWiki:2009]
DT[2023-01-22]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection3Problem27/Solution

Better way]
PL[B]

AB[db][eb][fb][jb][gc][hc][ic]
AW[cb][gb][hb][kb][cc][dc][ec][kc][mc][fd][gd][jd][ie]

;B[ja]C[B1]MN[1]
;W[fc]C[W2]MN[2]
;B[ha]C[B3]MN[3]
;W[ga]C[W4]MN[4]
;B[fa]C[B5]MN[5]
;W[ia]C[W6]MN[6]
;B[ib]C[B7]MN[7]

;
)
