Mondriaan Strikes Back
(Published on 25. January 2023, 18:25 by MarkV)
Solution code: Top row (9 digits)
Solved by Jaych, zuzanina, SKORP17, SenatorGronk, Lepsionidas, tiuhto, nmmc123, Mintymynti, lutzreimer, pookster, AN_not_IO, jalebc, EmperorAugustus, saskia-daniela, AvonD, kimchi25, bjoulv, hungkenchanlee, ... Mr.CHEN, JSmoove1099, Shotguntemplar, Rawcoder, Spacy86, BlackApolloX, fca.felix.sudoku, ManuH, Crul, Stargazing Albatross, zrbakhtiar, zorant, PippoForte, Felis_Timon, Montikulum, trashghost