(;GM[1]FF[4]SZ[19]
GN[Example 2: white cannot push at the marked point, and so black makes two eyes with B7.]
PC[http://senseis.xmp.net/?KyuExercise70/Solution]AP[GoWiki:2009]
DT[2013-03-31]
C[Diagram from http://senseis.xmp.net/?KyuExercise70/Solution

Example 2: white cannot push at the marked point, and so black makes two eyes with B7.]
PL[B]

AB[ha][cb][db][ib][cc][fc][gc][hc][dd][ed][de]
AW[fa][ia][ja][bb][jb][bc][ic][kc][cd][fd][gd][hd][id][ce][ee][fe][bf][df][ef]
LB[eb:x]

;B[ec]C[B1]MN[1]
;W[hb]C[W2]MN[2]
;B[ea]C[B3]MN[3]
;W[fb]C[W4]MN[4]
;B[gb]C[B5]MN[5]
;W[ga]C[W6]MN[6]
;B[ca]C[B7]MN[7]

;LB[eb:x]
)
