To include numbering prefixes from higherlevels, enter text or click at the start of the Number box and chooseInsert Number Placeholder and then select a Level option (for example,Level 1), or enter ^ and then the list level (for example, enter ^1).In a list with first levels numbered 1, 2, 3, and so on, and secondlevels numbered a, b, c, and so on, including the first-level prefixin the second level renders second-level numbers as 1a, 1b, 1c;2a, 2b, 2c; 3a, 3b, 3c.