The image shows a blue screen with a grid of numbers and letters, which appears to be a part of a digital display or a digital interface. The grid consists of rows and columns, with each cell containing a number or letter. The numbers range from 1 to 20, and the letters are also in a numerical order. The background is blue, and there is a watermark or logo at the bottom left corner that reads "WST phat tai hoa Trong Nhat Cach mong ngang 4.0 tham THPC".