Started with MMMM.
Tried SSSS.
Try SDDD.
The response was...
2 Incorrect, 1 Agreed, 1 Unknown
2 Incorrect, 2 Agreed ---> Try DSDD ---> 2 Incorrect, 2 Agreed ---> Try DDSD ---> 2 Incorrect, 2 Agreed ---> Try DDDS
1 Incorrect, 1 Agreed, 2 Unknown
1 Incorrect, 2 Agreed, 1 Unknown ---> Try FDDS ---> 2 Incorrect, 2 Agreed ---> Try FDSD ---> 2 Incorrect, 2 Agreed ---> Try FSDD
1 Incorrect, 3 Unknown ---> Try FSFF --> 2 Incorrect, 2 Agreed ---> Try FFSF ---> 2 Incorrect, 2 Agreed ---> Try FFFS
1 Agreed, 3 Unknown ---> Try SFFF
2 Agreed, 2 Unknown ---> Try SDFF ---> 2 Incorrect, 2 Agreed ---> Try SFDF ---> 2 Incorrect, 2 Agreed ---> Try SFFD
3 Agreed, 1 Unknown ---> Try SDDF ---> 2 Incorrect, 2 Agreed ---> Try SDFD ---> 2 Incorrect, 2 Agreed ---> Try SFDD
Clear
Start Over