规则Rules：
①填入1~9使得每行列宫内数字不重复（有遗漏）。
②提示表示这一方向上的摩天楼数。摩天楼数：从这一方向上看过去，当大数字遮住小数字时，可以看见的数字的个数。
① Write 1~9 make numbers no repeated in each Row, Column and Box.
② The clue is the skyscraper number in this direciton. The skyscraper number means how many numbers can be seen, when you look from this direction, with large numbers hiding the lower ones.
作者Author：GGDumplings
