さようなら黒マスはどこだ、こんにちは黒どこ。あるいは黒どこが好きだ

パズルＢＯＸ９でこっそり名前が変わったパズル『黒どこ』です。
短縮する形の名称変更ということで、ニコリの「数独に続く人気パズルに育って欲しい」という思いが感じられますね。まあ、本誌には載っていないんですけど。
ましゅと違って違和感がないのは、普通に使っていた短縮形だったからなのかしら。

というわけで黒どこ17x17。カンペンでどうぞ。
適当に作ったら結構面白くできたんじゃないの？　時期的には次のニコリに投稿するのがいいんじゃないの？　とか思わなくもないけどまあいいや。難易度は「たいへん」くらいかな。

http://www.kanpen.net/kurodoko.html?problem=17/17/._._._._._7_._4_._._._._._7_._5_._/3_._6_._._._4_._._._._._._._4_._._/._6_._._._7_._5_._._._._._5_._2_._/6_._8_._._._._._._._._._._._._._._/._._._._._._._._8_._._._._._._._._/._._._._._._._._._._._._._._16_._20_/._._._._._._5_._._._4_._._._._4_._/._._._._._._._._._._._._._._2_._7_/._._._._7_._._._8_._._._13_._._._._/4_._11_._._._._._._._._._._._._._._/._7_._._._._3_._._._3_._._._._._._/2_._10_._._._._._._._._._._._._._._/._._._._._._._._4_._._._._._._._._/._._._._._._._._._._._._._._5_._5_/._7_._8_._._._._._8_._8_._._._4_._/._._10_._._._._._._._5_._._._3_._2_/._4_._7_._._._._._7_._5_._._._._._/