| 1 The sublist problem | 3 Making columns out of a list |
| 1.1 The problem | 3.1 The problem and its motivation |
| 2 Making rows out of a list | 3.2 A dedicated two column solution |
| 2.1 The first row sublist function | 3.3 A more general solution |
| 2.2 A more general function | |
