(;GM[1]FF[4]SZ[19]
GN[White to play.]
PC[http://senseis.xmp.net/?UnderTheStonesProblem9/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?UnderTheStonesProblem9/Attempts

White to play.]
PL[W]

AB[rp][sp][rq][sq][lr][mr][nr][or][pr][qr]
AW[pn][qo][ro][so][lq][mq][nq][oq][pq][qq][ir][jr][kr][ls][qs][rs][ss]

;W[rr]C[W1]MN[1]
;B[ms]C[B2]MN[2]
;W[ps]C[W3]MN[3]
;B[ks]C[B4]MN[4]
;W[os]C[W5]MN[5]

;
)
