(;GM[1]FF[4]SZ[19]
GN[Book Solution (White 3 points - Black Sente)]
PC[http://senseis.xmp.net/?GSATEProblem99]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GSATEProblem99

Book Solution (White 3 points - Black Sente)]
PL[B]

AB[oa][pa][qa][nb][pb][nc][nd][ne][oe][pe][qe][re][se]
AW[ra][ob][qb][rb][oc][od][pd][qd][rd]

;B[na]C[B1]MN[1]
;W[sc]C[W2]MN[2]
;B[pc]C[B3]MN[3]
;W[qc]C[W4]MN[4]

;
)
