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

A loss for Black]
PL[W]

AB[fr][gr][hr][ir][fs][js]
AW[jr][kr][lr][mr][ks][ms]
CR[js][ks]

;W[is]C[W1]MN[1]
;B[hs]C[B2]MN[2]

;CR[js][ks]
)
