(;GM[1]FF[4]SZ[19]
GN[No good for white]
PC[http://senseis.xmp.net/?KyuExercise45/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise45/Attempts

No good for white]
PL[W]

AB[bb][cb][ib][bc][dc][ec][ic][bd][hd][id][be][de][cf][ef][gf][if][cg][gg][ch][dh][eh][fh]
AW[hb][cc][fc][hc][cd][dd][ed][fd][gd][df][dg][eg]
CR[de]

;W[eb]C[W1]MN[1]
;B[gb]C[B2]MN[2]
;W[ia]C[W3]MN[3]
;B[gc]C[B4]MN[4]

;CR[de]
)
