(;GM[1]FF[4]SZ[19]
GN[The top is not developable for Black]
PC[http://senseis.xmp.net/?BQM106]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM106

The top is not developable for Black]
PL[W]

AB[cb][eb][dc][fd][pd][cj][cm][oo][fp][dq][eq][oq][cr][dr][fr][qr]
AW[cc][cd][de][ch][pn][fo][cp][dp][ep][hp][qp][fq][gq][lq][er]
LB[ef:b][dg:c][qj:a]

;W[nc]C[W1]MN[1]
;B[lc]C[B2]MN[2]

;LB[ef:b][dg:c][qj:a]
)
