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TTMMCIPHER is a tribute to a brilliant work of monks, which comes from the past. In the center there are two abstract figures: on the left side, it means hours and minutes, on the right side - seconds. The numerical system was invented in 1300 by French Cistercian monks. The system uses a vertical straight line as the main symbol. This symbol is essentially an axis that divides the two-dimensional plane into four quadrants. Each of these four quarters means one of four digits. There is battery status at the top and complications appear at the bottom of the screen, tap to change.

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Read here how to decode digits and train your brain with TTMMCIPHER.

https://en.wikipedia.org/wiki/The_Ciphers_of_the_Monks

Design: Albert Salamon. Programming: Wiktor Hołubowicz. TTMM © Copyright by Albert Salamon 2018.