This is page 23 of my Red Notebook. This notebook contains 218 pages of 100g/m² dotted paper and measures 225 x 315 mm. I've been using it since 2013 until 2023, and I've also reinforced the cover with duct tape. Resized to match the standard Ultra-HD / 4K (UHD-1) resolution of 3840 x 2160 pixels