(;GM[1]FF[4]SZ[19]
GN[Black 21 Variation 3]
PC[http://senseis.xmp.net/?TeachingGame44/1Thru40]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TeachingGame44/1Thru40

Black 21 Variation 3]
PL[B]

AB[gb][kc][gd][pd][bh][cj][bk][qk][pn][pq]
AW[ec][dd][ce][qf][cg][jj][cl][cn][jp][dq]

;B[pf]C[B1]MN[1]
;W[pg]C[W2]MN[2]
;B[qe]C[B3]MN[3]
;W[of]C[W4]MN[4]
;B[pe]C[B5]MN[5]
;W[og]C[W6]MN[6]
;B[qg]C[B7]MN[7]
;W[qh]C[W8]MN[8]
;B[rf]C[B9]MN[9]
;W[rg]C[W10]MN[10]

;
)
