many-one reduction
/suto3/google.iconmany-one reduction
/suto3/Google画像検索.iconmany-one reduction
/suto3/Google定義検索.icon many-one reduction
/suto3/wikipedia.iconmany-one reduction
/suto3/weblio.icon many-one reduction
/suto3/kotobank.icon many-one reduction
/suto3/jisho.icon many-one reduction