ROW AND COLUMN SPANNING
1.1 1.2 1.3 1.4 1.5
2.1 2.2 - 2.3 2.4 2.5
3.1 3.2 3.3 3.4 3.5
4.1 4.2 4.4 4.5
5.1 5.2 - 5.3 - 5.4
6.2 - 6.3 - 6.4
7.2 - 7.3 - 7.4
5.5
6.1 6.5
7.1 7.5