(;GM[1]FF[4]SZ[19]
GN[Joseki (a)]
PC[https://senseis.xmp.net/?GoodEmptyTriangle]AP[GoWiki:2009]
DT[2022-02-25]
C[Diagram from https://senseis.xmp.net/?GoodEmptyTriangle

Joseki (a)]
PL[W]

AB[cc][fc][dd]
AW[bd][cf]

;W[de]C[W1]MN[1]
;B[cd]C[B2]MN[2]
;W[bc]C[W3]MN[3]
;B[bb]C[B4]MN[4]
;W[ed]C[W5]MN[5]
;B[ec]C[B6]MN[6]
;W[ce]C[W7]MN[7]
;B[db]C[B8]MN[8]
;W[cj]C[W9]MN[9]

;
)
