Pontifex/Solitaire Cipher

Solitaire is the name of an encryption scheme invented by Bruce Schneier for a plot point in
Neal Stephenson's Cryptonomicon.
Trace Info [ 0 - 7 ]:
Trace 1: show character values and modulus arithmetic.
Trace 2: show primary deck shuffles.
Trace 4: show deck rotations with each character in the stream.
The trace values can be added together.
Encoded Message: