(;GM[1]FF[4]SZ[19]
GN[At best, white cuts off four stones]
PC[http://senseis.xmp.net/?KyuExercise108/Attempts]AP[GoWiki:2009]
DT[2013-01-19]
C[Diagram from http://senseis.xmp.net/?KyuExercise108/Attempts

At best, white cuts off four stones]
PL[W]

AB[ca][da][ga][ia][db][gb][hb][ib][dc][ic][jc][dd][fd][id][jd][ee][ie][df][ef][if]
AW[ba][ja][ka][ab][cb][jb][lb][cc][fc][hc][kc][lc][cd][hd][kd][ce][de][he][je][ke][hf][jf][bg][cg][hg][ig][kg]

;W[gc]C[W1]MN[1]
;B[fb]C[B2]MN[2]
;W[ec]C[W3]MN[3]
;B[eb]C[B4]MN[4]
;W[ed]C[W5]MN[5]

;
)
