Rated Sudoku

Sudoku Format

Puzzle Format

Standard Puzzle Format (Classic Sudoku)

This is the standard format for classic Sudoku, used in many Sudoku games.

Rules:

  • 1-9, each represents a given number
  • . represents an empty cell

Example 1:

67..4..524....1....53.87.91....12.85.2...46..7.5...21..47.3.52.5.62.8.499.....378

Extended rules (may not be valid in other Sudoku games):

  • 0 also represents an empty cell
  • Space, Tab ('\t'), Newline ('\n') and Carriage return ('\r') are ignored

Example 2:

670040052400001000053087091000012085020004600705000210047030520506208049900000378

Example 3:

67..4..52
4....1...
.53.87.91
....12.85
.2...46..
7.5...21.
.47.3.52.
5.62.8.49
9.....378

JSON Puzzle Format

Note: This puzzle format is only valid in this game

Parameter type

Possible values:

  • classic

Optional, default value is classic

Parameters m, n

m and n represent the width and height of a box respectively. For example, the most commonly used is m=3, n=3

Optional, both default values are 3

Parameter numbers

This is a string array, each string represents a row of given numbers. If a cell has no given number, fill in .

Classic Sudoku Puzzle JSON Example

{
  "id": "69367c1bf66145eb8f6fc7c87a0fd828",
  "numbers": [
    "......16.",
    "1........",
    ".3...7...",
    "..1..4..9",
    "..5...61.",
    ".67.312..",
    ".2.......",
    ".53.2.7.4",
    "4..5..9.."
  ]
}

State Format

Standard State Format (Classic Sudoku)

This format is used to represent the current state of the Sudoku board, not the initial puzzle content. The state contains information about given, filled, and candidate numbers. This format can be used in many Sudoku software and games.

.----------------.----------------.----------------.
| 5    2    78   | 3    1479 479  | 789  18   6    |
| 6    78   9    | 2    17   5    | 3    148  147  |
| 1    3    4    | 78   6    789  | 2    5    79   |
.----------------+----------------+----------------.
| 7    45   2    | 1    8    3    | 59   6    49   |
| 8    45   6    | 457  4579 479  | 1    2    3    |
| 3    9    1    | 6    45   2    | 57   47   8    |
.----------------+----------------+----------------.
| 9    178  5    | 478  2    478  | 6    3    17   |
| 2    178  378  | 9    37   6    | 4    178  5    |
| 4    6    378  | 578  357  1    | 78   9    2    |
.----------------.----------------.----------------.

Number filling:

  • There should be no spaces between candidate numbers in the same cell, and candidate numbers in different cells are separated by spaces
  • Candidate numbers in different boxes are separated by |

Format limitations:

  • If a cell has only one candidate number, it cannot be distinguished from filled and given numbers, so only one candidate number is considered as filled.
  • Cannot represent empty cells, that is, cells with no filled, given, or candidate numbers.

Note:

  • In text input boxes, some similar formats are also valid, please try them yourself.

Hodoku’s similar format (can be used in this game):

.-------------.----------------.---------------.
| 5  2    78  | 3    1479  479 | 789  18   6   |
| 6  78   9   | 2    17    5   | 3    148  147 |
| 1  3    4   | 78   6     789 | 2    5    79  |
:-------------+----------------+---------------:
| 7  45   2   | 1    8     3   | 59   6    49  |
| 8  45   6   | 457  4579  479 | 1    2    3   |
| 3  9    1   | 6    45    2   | 57   47   8   |
:-------------+----------------+---------------:
| 9  178  5   | 478  2     478 | 6    3    17  |
| 2  178  378 | 9    37    6   | 4    178  5   |
| 4  6    378 | 578  357   1   | 78   9    2   |
'-------------'----------------'---------------'

Sudoku Explainer State Format

Sudoku Explainer’s special format (can be used in this game):

....5.....2.............78...3......1..4..7.9...4..7.9......7891......8......6........6.........78.........9.2.......1.....7......5......3......1..4...8.1..4..7..1..........3.........4...........78......6.........789.2...........5..........7.9......7.....45.....2.......1...............8...3..........5...9.....6......4....9.......8....45.........6......45.7.....45.7.9...4..7.91.........2.........3........3..............91.............6......45.....2...........5.7.....4..7.........8.........91.....78.....5.......4..78..2..........4..78......6.....3......1.....7...2.......1.....78...3...78.........9..3...7.......6......4.....1.....78.....5.......4..........6.....3...78.....5.78...3.5.7..1..............78.........9.2.......

Partial Puzzle Format

JSON Partial Puzzle Format

Parameter map

The JSON content of the initial puzzle

Parameters beginNumbers, endNumbers

The number content in the beginning and ending states, with the same format as numbers in map

Parameters beginCandidatesTable, endCandidatesTable

The candidate number content in the beginning and ending states, with the same format as the standard state format, but excluding the content of filled cells

Parameter givenHints

Predefined hints to be displayed during the solving process, each hint is a string, which is the trait string of the hint.

Example

{
  "id": "cd7486d5561c4a92bc8f7e293abf8ae3",
  "map": {
    "id": "d6bacb69b20c46d8800dc32caa406903",
    "numbers": [
      ".2.47..9.",
      "......3.6",
      "..3......",
      "2....876.",
      ".9..61...",
      ".4.....39",
      ".8.7.....",
      "..913....",
      ".6...9.7."
    ]
  },
  "beginNumbers": [
    ".2.473.9.",
    "...8..3.6",
    "..36....7",
    "23.94876.",
    ".9.361...",
    ".4...7.39",
    ".8.7.691.",
    "..91346..",
    ".6..89.7."
  ],
  "beginCandidatesTable": [
    ".----------------.----------------.----------------.",
    "| 568  0    568  | 0    0    0    | 158  0    158  |",
    "| 4579 157  457  | 0    19   25   | 0    245  0    |",
    "| 4589 15   0    | 0    19   25   | 2458 2458 0    |",
    ".----------------+----------------+----------------.",
    "| 0    0    15   | 0    0    0    | 0    0    15   |",
    "| 578  0    578  | 0    0    0    | 2458 2458 2458 |",
    "| 168  0    168  | 25   25   0    | 18   0    0    |",
    ".----------------+----------------+----------------.",
    "| 34   0    24   | 0    25   0    | 0    0    345  |",
    "| 57   57   0    | 0    0    0    | 0    28   28   |",
    "| 134  0    124  | 25   0    0    | 45   0    35   |",
    ".----------------.----------------.----------------."
  ],
  "endNumbers": [
    ".2.473.9.",
    "...8..3.6",
    "..36....7",
    "23.94876.",
    ".9.361...",
    ".4...7.39",
    ".8.7.691.",
    "..91346..",
    ".6..89.7."
  ],
  "endCandidatesTable": [
    ".----------------.----------------.----------------.",
    "| 568  0    568  | 0    0    0    | 158  0    158  |",
    "| 4579 157  47   | 0    19   25   | 0    245  0    |",
    "| 4589 15   0    | 0    19   25   | 2458 2458 0    |",
    ".----------------+----------------+----------------.",
    "| 0    0    15   | 0    0    0    | 0    0    15   |",
    "| 578  0    578  | 0    0    0    | 2458 2458 2458 |",
    "| 168  0    168  | 25   25   0    | 18   0    0    |",
    ".----------------+----------------+----------------.",
    "| 34   0    24   | 0    25   0    | 0    0    345  |",
    "| 57   57   0    | 0    0    0    | 0    28   28   |",
    "| 134  0    124  | 25   0    0    | 45   0    35   |",
    ".----------------.----------------.----------------."
  ],
  "givenHints": [
    "AETS7EQQOqmOAAMgAAQAAI4y0X9nGjgm"
  ]
}