Started with MMMM.
Tried SSSS.
Try DDDD.
The response was...
4 Unknown ---> Try FFFF
1 Agreed, 3 Unknown ---> Try FDFF ---> 2 Incorrect, 2 Agreed ---> Try FFDF ---> 2 Incorrect, 2 Agreed ---> Try FFFD
3 Agreed, 1 Unknown ---> Try DDDF ---> 2 I, 2 A ---> Try DDFD ---> 2 I, 2 A ---> Try DFDD ---> 2 I, 2 A ---> Try FDDD
Clear
Start Over