The Black Cipher · Protocol 08

The Black Cipher · Protocol 08: A unique certified challenge from the the black cipher archive. Every condition matters. Original constraint deduction puzzle with a mathematically certified unique solution.

Original puzzle evidence

A unique certified challenge from the the black cipher archive. Every condition matters.

THE BLACK CIPHER · ABYSSAL

1. Probe 21980: 0 exact, 2 misplaced
2. Probe 93106: 0 exact, 2 misplaced
3. Probe 04582: 0 exact, 3 misplaced
4. Probe 90718: 0 exact, 1 misplaced
5. Probe 41280: 1 exact, 1 misplaced
6. Probe 75034: 1 exact, 1 misplaced
7. Probe 50718: 1 exact, 0 misplaced
8. Probe 59748: 1 exact, 2 misplaced

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