Definitions

Grid

The 81 space area; nine spaces across by nine spaces down, subdivided into nine (3x3) Regions

Space

The area reserved for a single digit

Numbers

Nine single Aramaic digits

Column

The vertical line of nine digits

Row

The horizontal line of nine digits

Region

The 3 x 3 squares within the grid

Clues

The numbers that are written in the grid

Potential Numbers

All of the numbers not in the line

Candidates

Those potential numbers that are not in conflict in the cross line or Region and may reasonably become Definite

Definite

Once all other Candidates have been eliminated, the single remaining Candidate becomes Definite

 

The two-dimensional Sudoku puzzle is played in a grid of 81 spaces. Anywhere from 20 to 40 clues of numbers are written in while the remaining spaces are blank. The player must fill in the blank spaces by deductive reasoning.

In Kakuro, there is no set number of spaces in the Grid.

There is only ONE correct solution to each Sudoku and Kakuro puzzle.