(;GM[1]FF[4]SZ[19]
GN[White's correct response]
PC[http://senseis.xmp.net/?EndgameCoupling]AP[GoWiki:2009]
DT[2012-01-03]
C[Diagram from http://senseis.xmp.net/?EndgameCoupling

White's correct response]
PL[B]

AB[gb][hb][hc][hd][he]
AW[fb][ib][gc][ic][ed][gd][id][ge]

;B[fa]C[B1]MN[1]
;W[eb]C[W2]MN[2]
;B[ia]C[B3]MN[3]
;W[jb]C[W4]MN[4]

;
)
