(;GM[1]FF[4]SZ[19]
GN[The two hanes gives white an extra liberty making it 4 vs 3 liberties if black tries to avoid Ko]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem74/Attempts]AP[GoWiki:2009]
DT[2011-01-06]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem74/Attempts

The two hanes gives white an extra liberty making it 4 vs 3 liberties if black tries to avoid Ko]
PL[B]

AB[ap][bp][aq][bq][cq][dq][eq][gq][hq][ar][br][fr][gr][hr]
AW[cl][co][cp][dp][ep][fp][gp][fq][cr][dr][er][bs][fs]
CR[bs][fs]


;CR[bs][fs]
)
