1 column row
2 column row
2 column row
3 column row
3 column row
3 column row
4 column row
4 column row
4 column row
4 column row
6 column row
6 column row
6 column row
6 column row
6 column row
6 column row
4/8 row
4/8 row
8/4 row
8/4 row
3/9 row
3/9 row
9/3 row
9/3 row