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14 cards from this deck
Base 2
0 and 1 only
Base 10
0 to 9
128, 64, 32, 16, 8, 4, 2, 1
Each doubles the previous; follows 2n2^n2n
Add up all place values where there's a 1
Right side (1s column)
Subtraction from largest to smallest place value
If place value ≤\leq≤ remaining number, put 1 & subtract
If place value > remaining number
255
No - each used only once
Convert back the other way to verify
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