118. Pascal's Triangle
119. Pascal's Triangle II
766. Toeplitz Matrix
832. Flipping an Image
867. Transpose Matrix
999. Available Captures for Rook
36. Valid Sudoku
48. Rotate Image
54. Spiral Matrix
59. Spiral Matrix II
63. Unique Paths II
73. Set Matrix Zeroes
79. Word Search
130. Surrounded Regions
200. Number of Islands
221. Maximal Square
240. Search a 2D Matrix II
289. Game of Life
304. Range Sum Query 2D - Immutable
909. Snakes and Ladders