ByRowThenColumn
(^1) (^1) Center Center
1. Entry 1, 1
(^1, ^1) (^2) Center Center
2. Entry 1.1, 2
(^1, ^1, ^1) (^3) Center Center
3. Entry 1.1.1, 3
(^2) (^1, ^1) Center Center
4. Entry 2, 1.1
(^2, ^1) (^2, ^1) Center Center
5. Entry 2.1, 2.1
(^2, ^1, ^1) (^3, ^1) Center Center
6. Entry 2.1.1, 3.1
(^3) (^1, ^1, ^1) Center Center
7. Entry 3, 1.1.1
(^3, ^1) (^2, ^1, ^1) Center Center
8. Entry 3.1, 2.1.1
8. Entry 3.1, 2.1.1
nested underneath
(^3, ^1, ^1) (^3, ^1, ^1) Center Center
9. Entry 3.1.1, 3.1.1