(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://www.go4go.net/]
AP[GoWiki:2009]
DT[2023-12-04]
C[Diagram from http://www.go4go.net/

Solution]
PL[B]

AB[sb][kc][mc][nc][rc][od][pd][qd][rd]
AW[ra][nb][rb][oc][pc][qc]

;B[pb]C[B1]MN[1]
;W[pa]C[W2]MN[2]
;B[oa]C[B3]MN[3]
;W[qb]C[W4]MN[4]

;
)
