(;GM[1]FF[4]SZ[19]
GN[B]
PC[https://senseis.xmp.net/?BQM597Answer]AP[GoWiki:2009]
DT[2021-06-01]
C[Diagram from https://senseis.xmp.net/?BQM597Answer

B]
PL[B]

AB[ha][cb][gb][hb][cc][ec][fc][gc][ad][cd][be]
AW[ca][db][dc][dd][ce][de][bf][cf][bh]

;B[ba]C[B1]MN[1]
;W[da]C[W2]MN[2]
;B[bc]C[B3]MN[3]
;W[aa]C[W4]MN[4]
;B[bb]C[B5]MN[5]
;W[af]C[W6]MN[6]
;B[ae]C[B7]MN[7]

;
)
