(;GM[1]FF[4]SZ[19]
GN[Ko]
PC[http://senseis.xmp.net/?RTGProblem51/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem51/Solution

Ko]
PL[W]

AB[on][qn][no][ro][lp][np][rp][kq][nq][qq][kr][nr][pr][rr][ps][qs][rs]
AW[pp][qp][mq][oq][rq][sq][mr][or][ns][os]

;W[pq]C[W5]MN[5]

;
)
