Solutions to hard and very hard Sudoku puzzle games are collected together in a comprehensive updated list. It includes level 4 and NY Times Sudoku puzzles.
Expert Sudoku hard level 5 game 31 solved simple way using Sudoku solving techniques of DSA, parallel scan, single digit lock, Cycles and double digit scan.
Expert Sudoku hard level 5 game 25 solved simple way using Sudoku solving techniques of DSA, parallel scan, Cycles and triple digit scan.
Expert Sudoku hard level 5 game 23 solved simple way using Sudoku solving techniques of DSA, parallel scan, Cycles and double digit scan.
Expert Sudoku hard level 5 game 20 solved simple way using Sudoku solving techniques of DSA, parallel scan, Cycles and double digit scan.
The very hard expert Sudoku level 5 game 12 is solved step by step by advanced Sudoku techniques and the new technique of linked single digit lock analysis.
After initial hard to come by breakthroughs, the very hard Sudoku game 38 finally solved by repeated X wing reduction of possible digit.
Sudoku hard game 37 is solved by advanced Sudoku solution techniques of double digit scan, parallel scan, Cycles and naked cell by digit subset reduction.
Sudoku hard game 36 is solved by advanced Sudoku solution techniques of double digit scan, parallel scan, and naked cell by long digit subset reduction.
After initial hard to come by breakthroughs, the very hard Sudoku 35 finally solved by linked locked digit pair analysis and test of invalid choice.
