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If a cell has no value at all. it's grid borders will not display. To avoid this, for blank cells, use  . As a precaution, pass the grid color gc, to use as the table bgcolor. If the cell border is not displayed, the 3x3 table body color shows, which will be the same. See [[Template:Sudoku 9x9 grid]] for primary documentation.
Template Call Tree does and calls next Sudoku 9x9 grid top wrapper, set defa values Sudoku 9x9 table table with 9 boxes, 81 cells, major grids, outer border Sudoku 3x3 box 3x3 box 9 cells Sudoku 3x3 table 3x3 table with 9 cells, int. grids only, no outer border Implementation Notes: (yes I am a compulsive newbie..} |tparm= {{{parm ...
Because the setup for calling the template can become large, an example is provided, which you can copy/paste/edit for actual use. The example produces the puzzle show on the Sudoku main page, with some colors added to demonstrate color usage.
Won't work inside style elements, only for HTML attributes. Setting bgcolor for the table is mostly mute, since only the cells show. Since this template is routinely called at level 2 (L2) by a convenience wrapper template, no paramaeters will be undefined at L2 (except by accident).
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Sudoku (/ s uː ˈ d oʊ k uː,-ˈ d ɒ k-, s ə-/; Japanese: 数独, romanized: sūdoku, lit. 'digit-single'; originally called Number Place) [1] is a logic-based, [2] [3] combinatorial [4] number-placement puzzle. In classic Sudoku, the objective is to fill a 9 × 9 grid with digits so that each column, each row, and each of the nine 3 × 3 ...
The general problem of solving Sudoku puzzles on n 2 ×n 2 grids of n×n blocks is known to be NP-complete. [8] A puzzle can be expressed as a graph coloring problem. [9] The aim is to construct a 9-coloring of a particular graph, given a partial 9-coloring. The Sudoku graph has 81 vertices, one vertex for each cell.
Sudoku band display. Call tree: Template does and calls next Sudoku 3x9 band expands args Sudoku 3x9 table table with 3 boxes, major grids, outer border Sudoku 3x3 box box with 3x3 cells Sudoku 3x3 table table with 3x3 cells, int. grids only Implementation Notes: See 9x9 table, 3x3 table, 9x9 grid for details.