This method might change how you pack forever. As a last-minute packer who always stuffs my carry-on bag the night before a trip, I am curious about any way I can lessen my organizing woes. According to a new viral travel hack, “sudoku packing” might be my answer for easy repeatable outfit combinations I can create with just nine anchor pieces. Like the grid puzzle it is named after, this organizing system uses three-by-three grids of a top, bottom and layering piece to create a total of 27