From Sudopedia, the free Sudoku reference guide

Last Digit

From Sudopedia

Jump to: navigation, search

When there is only one instance of a digit missing in the grid, it can only go into a single cell. This is the Last Digit.

The Last Digit is a Hidden Single in all its houses. It is easily spotted with Cross-Hatching.

Retrieved from "http://www.sudopedia.org/wiki/Last_Digit"