5 5 0 9 0 21 12 0 0 2 14 7 0 19 17 6 0 3 4 0 0 0 16 13 1 10 3 0 7 6 0 19 0 18 23 13 16 2 5 10 1 8 0 17 14 0 9 21 0 4 0 8 4 0 0 0 3 0 0 6 1 0 0 0 0 0 9 2 21 7 13 23 14 19 5 12 0 10 2 0 18 4 7 5 20 11 3 21 9 0 14 0 23 19 12 1 0 17 8 0 6 0 0 0 0 1 0 25 9 17 21 12 23 0 13 8 10 6 16 0 5 2 18 3 0 7 20 21 19 12 22 14 2 0 0 10 0 5 6 3 13 7 17 9 8 15 18 11 23 16 1 0 9 0 0 5 16 0 1 3 18 0 8 7 4 10 0 0 14 21 0 6 12 17 2 19 0 14 0 3 7 0 17 6 0 23 9 19 0 0 16 18 0 2 1 12 10 13 0 0 5 10 18 23 16 17 21 12 7 0 0 0 1 0 2 11 13 19 5 0 6 4 8 15 3 9 6 1 13 8 2 11 5 19 0 9 17 18 0 12 0 23 16 3 10 0 7 0 0 14 21 0 8 21 18 19 23 14 0 12 0 2 10 1 9 0 17 13 0 16 0 3 5 7 6 0 1 6 0 4 14 9 0 20 19 17 13 7 21 0 5 0 0 0 3 2 0 0 10 8 23 13 23 17 0 10 6 3 21 5 8 0 0 0 11 12 0 1 7 0 14 19 2 18 9 16 9 3 0 5 0 7 0 13 0 2 4 0 17 8 23 0 15 6 19 10 1 0 21 12 14 7 0 12 2 0 10 0 16 1 0 19 6 3 14 18 21 5 23 9 8 17 20 22 13 0 15 13 8 21 23 22 6 0 0 5 0 9 12 7 2 3 14 10 17 19 16 1 4 0 0 12 0 0 7 6 18 10 8 16 0 21 17 0 5 3 1 9 13 0 0 14 19 2 0 20 14 5 0 19 9 2 23 4 21 7 1 13 8 6 0 16 0 0 22 0 12 3 0 10 17 2 17 0 20 16 0 1 12 13 3 10 14 11 0 19 5 4 0 23 21 8 9 6 7 0 18 0 10 1 3 17 0 0 9 19 0 0 0 16 0 6 12 8 2 7 13 23 5 21 0 23 2 0 14 0 0 19 11 10 16 0 12 13 15 9 4 21 0 6 3 5 7 1 17 8 21 16 3 9 8 0 4 0 14 0 5 20 10 19 0 2 7 1 18 23 0 6 0 0 13 0 12 5 0 13 1 21 3 7 6 8 0 14 23 17 19 10 0 0 16 0 0 9 18 2 11 7 6 10 0 5 9 23 8 0 18 4 2 1 21 14 0 12 13 17 0 15 16 19 3 17 19 1 0 0 13 0 2 0 12 6 3 16 0 7 20 8 0 5 9 0 10 14 23 0 Sample Sudoku grid file for 25x25 grid (5x5 subsquare or inner grid) P.J. Harrison July 2005 Here is the output from "Sudoku.exe -m Grid25.txt" commmand: Solving Sudoku Grid: Grid25.txt ----------------------------------------------------------------------------------------------------- | 5 . 9 . 21| 12 . . 2 14| 7 . 19 17 6| . 3 4 . .| . 16 13 1 10| | 3 . 7 6 .| 19 . 18 23 13| 16 2 5 10 1| 8 . 17 14 .| 9 21 . 4 .| | 8 4 . . .| 3 . . 6 1| . . . . .| 9 2 21 7 13| 23 14 19 5 12| | . 10 2 . 18| 4 7 5 20 11| 3 21 9 . 14| . 23 19 12 1| . 17 8 . 6| | . . . . 1| . 25 9 17 21| 12 23 . 13 8| 10 6 16 . 5| 2 18 3 . 7| ----------------------------------------------------------------------------------------------------- | 20 21 19 12 22| 14 2 . . 10| . 5 6 3 13| 7 17 9 8 15| 18 11 23 16 1| | . 9 . . 5| 16 . 1 3 18| . 8 7 4 10| . . 14 21 .| 6 12 17 2 19| | . 14 . 3 7| . 17 6 . 23| 9 19 . . 16| 18 . 2 1 12| 10 13 . . 5| | 10 18 23 16 17| 21 12 7 . .| . 1 . 2 11| 13 19 5 . 6| 4 8 15 3 9| | 6 1 13 8 2| 11 5 19 . 9| 17 18 . 12 .| 23 16 3 10 .| 7 . . 14 21| ----------------------------------------------------------------------------------------------------- | . 8 21 18 19| 23 14 . 12 .| 2 10 1 9 .| 17 13 . 16 .| 3 5 7 6 .| | 1 6 . 4 14| 9 . 20 19 17| 13 7 21 . 5| . . . 3 2| . . 10 8 23| | 13 23 17 . 10| 6 3 21 5 8| . . . 11 12| . 1 7 . 14| 19 2 18 9 16| | 9 3 . 5 .| 7 . 13 . 2| 4 . 17 8 23| . 15 6 19 10| 1 . 21 12 14| | 7 . 12 2 .| 10 . 16 1 .| 19 6 3 14 18| 21 5 23 9 8| 17 20 22 13 .| ----------------------------------------------------------------------------------------------------- | 15 13 8 21 23| 22 6 . . 5| . 9 12 7 2| 3 14 10 17 19| 16 1 4 . .| | 12 . . 7 6| 18 10 8 16 .| 21 17 . 5 3| 1 9 13 . .| 14 19 2 . 20| | 14 5 . 19 9| 2 23 4 21 7| 1 13 8 6 .| 16 . . 22 .| 12 3 . 10 17| | 2 17 . 20 16| . 1 12 13 3| 10 14 11 . 19| 5 4 . 23 21| 8 9 6 7 .| | 18 . 10 1 3| 17 . . 9 19| . . . 16 .| 6 12 8 2 7| 13 23 5 21 .| ----------------------------------------------------------------------------------------------------- | 23 2 . 14 .| . 19 11 10 16| . 12 13 15 9| 4 21 . 6 3| 5 7 1 17 8| | 21 16 3 9 8| . 4 . 14 .| 5 20 10 19 .| 2 7 1 18 23| . 6 . . 13| | . 12 5 . 13| 1 21 3 7 6| 8 . 14 23 17| 19 10 . . 16| . . 9 18 2| | 11 7 6 10 .| 5 9 23 8 .| 18 4 2 1 21| 14 . 12 13 17| . 15 16 19 3| | 17 19 1 . .| 13 . 2 . 12| 6 3 16 . 7| 20 8 . 5 9| . 10 14 23 .| ----------------------------------------------------------------------------------------------------- Solution No 1: ----------------------------------------------------------------------------------------------------- | 5 20 9 23 21| 12 8 22 2 14| 7 15 19 17 6| 25 3 4 24 18| 11 16 13 1 10| | 3 24 7 6 12| 19 15 18 23 13| 16 2 5 10 1| 8 11 17 14 22| 9 21 20 4 25| | 8 4 25 17 15| 3 16 10 6 1| 11 24 18 20 22| 9 2 21 7 13| 23 14 19 5 12| | 16 10 2 13 18| 4 7 5 20 11| 3 21 9 25 14| 15 23 19 12 1| 22 17 8 24 6| | 19 22 14 11 1| 24 25 9 17 21| 12 23 4 13 8| 10 6 16 20 5| 2 18 3 15 7| ----------------------------------------------------------------------------------------------------- | 20 21 19 12 22| 14 2 25 4 10| 24 5 6 3 13| 7 17 9 8 15| 18 11 23 16 1| | 24 9 15 25 5| 16 13 1 3 18| 23 8 7 4 10| 22 20 14 21 11| 6 12 17 2 19| | 4 14 11 3 7| 8 17 6 22 23| 9 19 15 21 16| 18 24 2 1 12| 10 13 25 20 5| | 10 18 23 16 17| 21 12 7 24 20| 14 1 22 2 11| 13 19 5 25 6| 4 8 15 3 9| | 6 1 13 8 2| 11 5 19 15 9| 17 18 25 12 20| 23 16 3 10 4| 7 22 24 14 21| ----------------------------------------------------------------------------------------------------- | 25 8 21 18 19| 23 14 15 12 4| 2 10 1 9 24| 17 13 22 16 20| 3 5 7 6 11| | 1 6 16 4 14| 9 11 20 19 17| 13 7 21 22 5| 12 25 18 3 2| 15 24 10 8 23| | 13 23 17 22 10| 6 3 21 5 8| 15 25 20 11 12| 24 1 7 4 14| 19 2 18 9 16| | 9 3 20 5 24| 7 22 13 18 2| 4 16 17 8 23| 11 15 6 19 10| 1 25 21 12 14| | 7 15 12 2 11| 10 24 16 1 25| 19 6 3 14 18| 21 5 23 9 8| 17 20 22 13 4| ----------------------------------------------------------------------------------------------------- | 15 13 8 21 23| 22 6 24 11 5| 20 9 12 7 2| 3 14 10 17 19| 16 1 4 25 18| | 12 25 4 7 6| 18 10 8 16 15| 21 17 23 5 3| 1 9 13 11 24| 14 19 2 22 20| | 14 5 24 19 9| 2 23 4 21 7| 1 13 8 6 15| 16 18 20 22 25| 12 3 11 10 17| | 2 17 22 20 16| 25 1 12 13 3| 10 14 11 18 19| 5 4 15 23 21| 8 9 6 7 24| | 18 11 10 1 3| 17 20 14 9 19| 25 22 24 16 4| 6 12 8 2 7| 13 23 5 21 15| ----------------------------------------------------------------------------------------------------- | 23 2 18 14 25| 20 19 11 10 16| 22 12 13 15 9| 4 21 24 6 3| 5 7 1 17 8| | 21 16 3 9 8| 15 4 17 14 22| 5 20 10 19 25| 2 7 1 18 23| 24 6 12 11 13| | 22 12 5 24 13| 1 21 3 7 6| 8 11 14 23 17| 19 10 25 15 16| 20 4 9 18 2| | 11 7 6 10 20| 5 9 23 8 24| 18 4 2 1 21| 14 22 12 13 17| 25 15 16 19 3| | 17 19 1 15 4| 13 18 2 25 12| 6 3 16 24 7| 20 8 11 5 9| 21 10 14 23 22| ----------------------------------------------------------------------------------------------------- crc: 7BE0 There were 1 Solutions to file Grid25.txt Metrics: 74 values were trialled to a depth of 11, there were 37 unsuccessful search paths.