sudoku - command-line sudoku utility
$ sudoku combo 6
6
1 5
2 4
1 2 3
Display all combinations of sudoku digits that add to the given sum. Solutions displayed in order from shortest to longest, then in numerical order.
$ sudoku combo 30 4
6 7 8 9
Display combinations that add to the given sum using the specified number of digits.
$ sudoku combo -s 6
6
2 4
$ sudoku combo --sandwich 9
2 7
3 6
4 5
2 3 4
Display combinations that add to the given sum that are valid for sandwich suduko. That is, that exclude the digits 1 and 9.
$ sudoku combo -x 10
2 8
3 1 6
3 2 5
4 1 2 3
Display combinations where the number of digits in the combination is one of the
digits. -x for x-sums variant, where the number outside the puzzle shows the
total of the first x digits, where x is the first digit. The first digit of
each row is the x.
$ sudoku combo --sequence 13
6 7
Display only combinations where the digits form a sequence.