(;GM[1]FF[4]SZ[19]
GN[Connection & block]
PC[http://senseis.xmp.net/?33PointInvasionWhichPeepsAtTheTigersMouth]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?33PointInvasionWhichPeepsAtTheTigersMouth

Connection & block]
PL[B]

AB[bd][dd][fd][ce]
AW[cc][be][bf][cf][ci]

;B[cd]C[B1]MN[1]
;W[bc]C[W2]MN[2]
;B[dc]C[B3]MN[3]
;W[ad]C[W4]MN[4]

;
)
