Well the Shtct part is line breed so you have a Mac het Tremp and a Tremp so you would get...
0.25 AA tt (Tremper)
0.25 AA At (Normal het Tremper)
0.25 AS tt (Mack Snow Tremper)
0.25 AS At (Mack Snow het Tremper)
and the normals would have some tang and reduced spotting I would think.