(;CA[ks_c_5601-1987]AB[cq][dq][er][fr]AW[bn][bp][cp][dp][ep][eq][dr][gq][gr]AP[MultiGo:4.4.4]
SZ[19]AB[bq]MULTIGOGM[1]
;W[br];B[cr];W[aq];B[ds];W[fs];B[ar];W[as];B[bs]C[I think the hint should be fixed.
Because defender can resist with KO, which means there's no way for offender to kill perfectly.])