(;GM[1]FF[4]SZ[19]
GN[Black connects]
PC[http://senseis.xmp.net/?JudgingForcingPlays1/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?JudgingForcingPlays1/Discussion

Black connects]
PL[W]

AB[pd][de][cf][dg][dp]
AW[dc][cd][ce][pq]
LB[fd:b][ch:p]

;W[ef]C[W1]MN[1]
;B[df]C[B2]MN[2]
;W[ed]C[W3]MN[3]
;B[ck]C[B4]MN[4]

;LB[fd:b][ch:p]
)
