(;GM[1]FF[4]SZ[19]
GN[What about option 'c'?]
PC[http://senseis.xmp.net/?ExtendOrPincer]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ExtendOrPincer

What about option 'c'?]
PL[B]

AB[dc][ec][nc][cd][ke][ne][cf]
AW[fc][kc][ed][fd][id][pd][pf]
LB[qc:a][qh:b]

;B[fb]C[B1]MN[1]
;W[gb]C[W2]MN[2]
;B[eb]C[B3]MN[3]
;B[ga]C[B5]MN[5]
;W[ha]C[W6]MN[6]
;B[fa]C[B7]MN[7]
;W[ib]C[W8]MN[8]

;LB[qc:a][qh:b]
)
