Here is a list of which characters can be used for the first 9 collums (instead of using the random button), which make things a bit more logical ?!
Collums
1 2 3 4 5 6 7 8 9
A G M R 1 3 6 S -
B H N 2 4 7
C I L Z 5 8
D T U Y P
E Q
F
On my next post you will find a list of more logical generated presets
