(;GM[1]FF[4]SZ[19]
GN[Why not?]
PC[http://senseis.xmp.net/?KyuExercise5/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise5/Attempts

Why not?]
PL[W]

AB[da][ab][bb][cb][db][eb][fb][gb][ib][jb][kb][gc][ic][fd][hd][he][ie][jf][kf][ig]
AW[ba][ea][fa][ga][ha][ia][ja][ka][hb][ac][bc][cc][ec][hc][jc][lc][ed][be][de][fe][je][ke][ff][lf][fg][hg][kg][lg][hh][ih]

;W[la]C[W1]MN[1]
;B[lb]C[B2]MN[2]
;W[ma]C[W3]MN[3]
;B[nb]C[B4]MN[4]
;W[na]C[W5]MN[5]

;
)
