(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?GokyoShumyoSection5Problem7/Solution]AP[GoWiki:2009]
DT[2022-12-26]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection5Problem7/Solution

Solution]
PL[B]

AB[db][gb][cc][dc][ec][fc][gc][ad][bd][cd][de]
AW[aa][ca][da][ga][ab][cb][eb][fb][hb][bc][hc][hd][be][fe][cf][df][ef]
LB[ea:a][fa:a]

;B[bb]C[B5]MN[5]
;W[ba]C[W6]MN[6]
;B[ac]C[B7]MN[7]

;LB[ea:a][fa:a]
)
