The Switch Matrix · Protocol 04

The Switch Matrix · Protocol 04: A unique certified challenge from the the switch matrix archive. Every condition matters. Original binary algebra puzzle with a mathematically certified unique solution.

Original puzzle evidence

A unique certified challenge from the the switch matrix archive. Every condition matters.

THE SWITCH MATRIX · EXTREME

1. Lamp 1: toggled by switches B, C, E, F, K, observed ON
2. Lamp 2: toggled by switches A, C, D, K, observed ON
3. Lamp 3: toggled by switches B, C, H, observed OFF
4. Lamp 4: toggled by switches C, D, E, K, observed OFF
5. Lamp 5: toggled by switches F, G, H, K, observed OFF
6. Lamp 6: toggled by switches A, C, E, F, G, K, observed ON
7. Lamp 7: toggled by switches B, E, G, H, K, L, observed OFF
8. Lamp 8: toggled by switches C, H, I, L, observed ON
9. Lamp 9: toggled by switches A, B, C, D, E, F, I, J, observed OFF
10. Lamp 10: toggled by switches B, C, D, F, G, K, observed OFF
11. Lamp 11: toggled by switches B, C, G, I, L, observed OFF
12. Lamp 12: toggled by switches E, G, J, L, observed OFF

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