(;GM[1]FF[4]SZ[19]
GN[Solution (B11 at ''a'')]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem27/Solution]AP[GoWiki:2009]
DT[2023-02-07]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem27/Solution

Solution (B11 at ''a'')]
PL[B]

AB[fb][hb][fc][cd][fd][ce][fe][cf][ef][bg][dg]
AW[fa][bb][eb][dc][ec][dd][de]
LB[ae:a]

;B[ad]C[B1]MN[1]
;W[ac]C[W2]MN[2]
;B[bc]C[B3]MN[3]
;W[ab]C[W4]MN[4]
;B[da]C[B5]MN[5]
;W[ea]C[W6]MN[6]
;B[cb]C[B7]MN[7]
;W[cc]C[W8]MN[8]
;B[ba]C[B9]MN[9]
;W[bd]C[W10]MN[10]

;LB[ae:a]
)
