(;GM[1]FF[4]SZ[19]
GN[ko]
PC[http://senseis.xmp.net/?WuRenGo3/White]AP[GoWiki:2009]
DT[2011-10-23]
C[Diagram from http://senseis.xmp.net/?WuRenGo3/White

ko]
PL[B]

AB[qm][qn][oo][po][np][nq][oq][or][pr]
AW[pn][qo][op][pp][qp][pq][qr]

;B[rr]C[B1]MN[1]
;W[rq]C[W2]MN[2]
;B[qs]C[B3]MN[3]
;W[sr]C[W4]MN[4]

;
)
