(;GM[1]FF[4]SZ[19]
GN[Ko, W gets first capture and B must win twice in order to attack from the outside.]
PC[http://senseis.xmp.net/?FiveStonesOnTheThirdLineInTheCorner/Discussion]AP[GoWiki:2009]
DT[2013-03-31]
C[Diagram from http://senseis.xmp.net/?FiveStonesOnTheThirdLineInTheCorner/Discussion

Ko, W gets first capture and B must win twice in order to attack from the outside.]
PL[W]

AB[ba][da][gb][fc][ad][bd][cd][dd][ed][fd]
AW[ea][fb][ac][bc][cc][dc][ec]

;W[db]C[W1]MN[1]
;B[ca]C[B2]MN[2]
;W[bb]C[W3]MN[3]
;B[ab]C[B4]MN[4]

;
)
