introduction post

[martin of redwall]

So in really short u want a decoder to detect what order a pair of pressure plates where pressed? (If its 1 then 2 or 2 then 1) but you need it to be small because you have 90 inputs and detecting each pattern is like (90!) Decoders. am I correct? In which case I'll see what I can do and try build one that is stackable and don't need 100 million other decoders, hopefully some other members might help out as well

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That's very close, ill just clarify. i only need the permutations of combining three or two inputs together of the available 90 so for instance: (1,2,3) (37,41,23) and two inputs (1,2) (34,65) or expressed as (x,x) (x,x,x) X can be any number from 1 to 90 in any order. e.g. (1,2,3) (3,2,1) (2,1,3) and so on for all possible permutations within this expression.