(;GM[1]FF[4]SZ[7]
GN[Diagram 13 (11-20)]
PC[https://senseis.xmp.net/?7x7ArticleByJDavies]AP[GoWiki:2009]
DT[2020-08-09]
C[Diagram from https://senseis.xmp.net/?7x7ArticleByJDavies

Diagram 13 (11-20)]
PL[B]

AB[cb][bc][cc][ec][fc][dd][ce][de][ef]
AW[db][eb][fb][dc][bd][cd][ed][fd][ee]

;B[ff]C[B11]MN[11]
;W[be]C[W12]MN[12]
;B[bf]C[B13]MN[13]
;W[cf]C[W14]MN[14]
;B[df]C[B15]MN[15]
;W[af]C[W16]MN[16]
;B[cg]C[B17]MN[17]
;W[ca]C[W18]MN[18]
;B[ab]C[B19]MN[19]
;W[ba]C[W20]MN[20]

;
)
