Mirrored from Sudopedia, the Free Sudoku Reference Guide
Many players consider single-digit techniques easier than techniques which use multiple digits. When a computer program is used, it can often highlight the cells which contain candidates for a specific digit. Patterns are much easier to spot in the highlighed cells. When solving a Sudoku on paper, the player may find it more difficult to recognize patterns for a single digit in the pencilmarked grid.This page was last modified 21:36, 30 December 2009.