(;GM[1]FF[4]SZ[19]
GN[Reference diagram]
PC[http://senseis.xmp.net/?25ProbeDuringAttachExtendJoseki]AP[GoWiki:2009]
DT[2011-11-18]
C[Diagram from http://senseis.xmp.net/?25ProbeDuringAttachExtendJoseki

Reference diagram]
PL[B]

AB[dd][dp]
AW[pd][pq]

;B[po]C[B1]MN[1]
;W[qo]C[W2]MN[2]
;B[qn]C[B3]MN[3]
;W[qp]C[W4]MN[4]
;B[pm]C[B5]MN[5]
;W[nq]C[W6]MN[6]
;B[qi]C[B7]MN[7]
;W[qg]C[W8]MN[8]
;B[oi]C[B9]MN[9]

;
)
