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Thank you for your question! It is a bit too technical for me also and I have to ask from Devs. I will write an answer for this on Monday.
Actually this info was under FAQ also.
What is the original deck layout?
Spades, hearts, diamonds, clubs from 2 to A. S2, S3 .. SA ... H2, H3 ... CK, CA
Yeah, I read that. But since the final shuffle is created with 4 decks of cards (total of 208 cards). So, my question is whether the above sequence is followed deck wise (52-cards standard deck) or in totality (for all 208 cards)? For example,
S2, S3 .. SA ... H2, H3 ... CK, CA followed by second S2, S3 .. SA ... H2, H3 ... CK, CA followed by third S2, S3 .. SA ... H2, H3 ... CK, CA followed by fourth S2, S3 .. SA ... H2, H3 ... CK, CA.
Or
four S2 followed by four S3 followed by four S4 and so on ending on four Aces of Clubs.