(;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[W]

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

;W[ea]C[W4]MN[4]
;B[ca]C[B5]MN[5]
;W[bc]C[W6]MN[6]
;B[bd]C[B7]MN[7]
;W[eb]C[W8]MN[8]
;B[ab]C[B9]MN[9]

;
)
