SudokuPrimer 4 - Finding numbers after twins, triplets
Sudoku Primer 211 - Dell Challenger Puzzle Solved Using Four Patterns
SudokuPrimer 9 - tricks for solving columns using twins
Sudoku Primer 172 - 4 Sudoku Tricks to Find One Number and Break Open the Puzzle
SudokuPrimer 37 - conversely... looking for opposites while solving
Sudoku Primer 204 - Finding Quintuplets & How to Find Other Number Groups
Sudoku Primer 251 - Five Techniques needed to Find One Number
Sudoku Primer 334 - Two Hidden Corner Patterns Make This Puzzle Easy
SudokuPrimer 32 - tips for solving an easy puzzle - Sudoku To Go vol 101
SudokuPrimer 24 techniques for mastering a hard puzzle - Sudoku To Go vol 100
Sudoku Primer 130 - 4x4 sudoku for kids - sudoku variant
Sudoku Primer 183 - Using Four Sudoku Tricks to Find One Number
Sudoku Primer 104 - solving tips for hard puzzle - diagonal pattern
SudokuPrimer 33 - tips for solving a medium puzzle - Sudoku To Go vol 101
SudokuPrimer 7 - Ghost numbers
SudokuPrimer 44 - tips for solving an easy puzzle - Sudoku To Go vol 102
Sudoku Primer 301 - Look For Numbers in Sparse Areas
SudokuPrimer 25 how to solve a diabolical puzzle - Sudoku To Go vol 100
SudokuPrimer 35 - tips for solving a diabolical puzzle - Sudoku To Go vol 101
SudokuPrimer 46 - tips for solving a hard puzzle - Sudoku To Go vol 102
