Results for the band index 189 are interesting to decipher. This is about 8% of the total number of solution grids to scan.

This post will be edited when something of interest shows up champagne 2017 Supporter Posts: 7315 Joined: 02 August 2007 Location: France Brittanyĩ7 bands are now closed or nearly closed for one band(index 0_9 189 and >=330) I used the third post in this thread to give information on the new design. I could get a first feeling of the feasibility in 2 or 3 weeks. Implementing and testing such a design is to-day my priority in the limit of the time dedicated to the project. (looking for 18 clues with a band having 2 clues)ĭoing so, I have seen neglected puzzle properties (AFAIK) and a possible new design of the current search. Meantime, I checked directly that no 17 with 2 clues in a band exists. Next milestone (in one month?) should cover at minimum bands 1 index 8 9 31Īs no fee core joined the project so far, the process remains too slow for my available power. I'll check carefully in the next days the index 189 status. This is more or less 6% of the total band 3 count. Most importantly, do not try to guess a solution or you can make the puzzle unsolvable and wreck your brain with something impossible.Now, bands1 index 0 to 7 and 330 to 415 are closed. Taking notes is a requirement to solve an evil puzzle but remember to update and clean them each time you place a digit to try to make the game easier step by step. You might also want to take breaks while solving it to give your eyes and brain a rest and come back to tackle it with a clear mind. Patience and concentration are essential to complete an evil puzzle. This sounds easy in theory, but in practice, it will be hard to achieve. Try switching your way from easy to hard and hard to easy each time to keep finding the hidden numbers and setting new candidates for the cells. Since the grid of Sudoku is constantly evolving and finding the placement of a digit unlocks new possibilities each time, you must keep repeating these techniques. You are bound to find the solution of at least one cell by doing this. Start with the ones you first used in the easy levels and work your way through the grid until you reach the XY-Wing technique.

If you do not want to clutter your mind with patterns seemingly coming out of an advanced mathematics book, the best way to tackle an evil Sudoku puzzle is by applying all your previously learned strategies. In reality, they derive from patterns created by hard level techniques. Evil Sudoku Solving TechniquesĮvil Sudoku Solving Techniques such as the Jellyfish or the Medusa can look more complicated and harder to understand than the puzzle itself. Players should not attempt them unless they have already mastered the previous levels, as they might lose faith in their skills from the start and forfeit Sudoku completely. These puzzles are not made for the weak hearted. Working through the grid to find the solutions requires extreme attention, a lot of patience and an over-familiarity with the numbers. The rules are still the same as ever, but the allocated clues at the start of the game are even more reduced. Hard puzzles have become a fun hobby and they are currently looking once again for the thrill of facing a seemingly impossible challenge. Evil Sudoku Puzzles are made for those players who are extremely confident in their logic skills and believe to be experts by now.

Gordon sudoku evil 17