SM 2020 (Math) Author
Posts: 158
   Location: India | That was a tough test. I took the test in online solving mode. Started with little killer 9x9. Broke the sudoku because I forgot to change the solving mode. I feel there should be undo mode for online solving. Was stuck in torroidal for a long time. Unfortunately I couldn't finish it. I feel this was amongst the hardest of the SMs.
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