(;GM[1]FF[4]SZ[19]
GN[B2 is wrong]
PC[http://senseis.xmp.net/?BeginnerExercise11/Discussion]AP[GoWiki:2009]
DT[2011-12-11]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise11/Discussion

B2 is wrong]
PL[W]

AB[fq][gq][hq][iq][jq][kq][lq][mq][nq][fr][nr][gs][js][ms]
AW[gr][hr][ir][jr][kr][lr][mr][hs][ls]

;W[fs]C[W1]MN[1]
;B[er]C[B2]MN[2]
;W[es]C[W3]MN[3]
;B[dr]C[B4]MN[4]
;W[ds]C[W5]MN[5]
;B[cr]C[B6]MN[6]

;
)
