NewGrid returns a new Grid object with sane defaults.

NewPossibilitiesFromMap returns a Possibilities object based on the given map.

Render renders the given Sudoku Grid in a pretty ASCII table.

RenderDiff renders the given Sudoku Grid in a pretty ASCII table and highlights the differences compared to Grid 'og'.

WithRNG customizes the Random Number Generator used by the Grid.

WithSubGrids customizes the way Sub-Grids are defined in the Grid.

Block defines one individual slot in the 9x9 grid.

Grid is a 3x3 matrix of Grids - basically a 9x9 matrix of integers.

Location points to a specific location on the Grid (x, y).

Possibilities keep track of possible values for a single Block.

SubGrid is a 3x3 matrix of integers.

Option helps customize the Grid.

SubGrids represent a list of WithSubGrids in a 9x9 Grid.