(;GM[1]FF[4]SZ[19]
GN[White sente]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem11/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem11/Solution

White sente]
PL[W]

AB[na][ob][pb][sb][qc][rc][rd]
AW[mb][nb][oc][pc][qd][sd][qe][re]

;W[oa]C[W1]MN[1]
;B[qa]C[B2]MN[2]
;W[ma]C[W5]MN[5]
;B[ra]C[B6]MN[6]

;
)
