Here's a test using 3 columns, to see if the same phenomenon exists. Well, it certainly went ok.
The rules for three columns would be to wait until 2 have hit, and then bet for the blank column to hit.
A B C
3 5 1
1 4 3
4 3 4
6 6 3
1 2 5
2 3 ...
The rules for three columns would be to wait until 2 have hit, and then bet for the blank column to hit.
A B C
3 5 1
1 4 3
4 3 4
6 6 3
1 2 5
2 3 ...