挂几道从1-10的高难度数墙，需要自取。

数墙(Nurikabe)规则，英文>>>Create white areas, surrounded with blackened cells which are linked to a continuous wall. The numbers in the grid indicate the size of the corresponding white areas. An area cannot contain more than one number. The wall cannot form any 2x2 square. White areas may touch each other only diagonally.

中文规则：在盘面中涂黑一些格子使得所有黑格横竖连通为一个整体，并且没有任何2*2的区域被完全涂黑。有数字的格子必须留白，每个横竖连通的白格区域有一个数字，数值等于该区域格数。