(;GM[1]FF[4]SZ[19]
GN[White's mistake]
PC[http://senseis.xmp.net/?BSR2003B5Alternative]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BSR2003B5Alternative

White's mistake]
PL[W]

AB[ji][jj][il]
AW[kj][kl]

;W[ki]C[W1]MN[1]
;B[kh]C[B2]MN[2]
;W[lh]C[W3]MN[3]
;B[kk]C[B4]MN[4]
;W[lk]C[W5]MN[5]
;B[jk]C[B6]MN[6]

;
)
