(;GM[1]FF[4]SZ[19]
GN[Can't Falsify F18 after 3 at 'b']
PC[http://senseis.xmp.net/?posting=10292]AP[GoWiki:2009]
DT[2014-11-06]
C[Diagram from http://senseis.xmp.net/?posting=10292

Can't Falsify F18 after 3 at 'b']
PL[B]

AB[aa][ab][bb][hb][ac][dc][hc][ad][bd][cd][dd][ge][bf][cf]
AW[ba][ca][fa][cb][db][eb][gb][bc][cc][ec][fc]
CR[ea]

;B[gc]C[B1]MN[1]
;W[ga]C[W2]MN[2]
;B[ha]C[B3]MN[3]
;W[da]C[W4]MN[4]

;CR[ea]
)
