Schemi research.att.com
1324 1-constrained rotational symmetric puzzles con soluzioni ( 1011 kb . zip )
28948 2-constrained mutually non-isomorphic puzzles ( 1-10000 2237 kb . zip )
28948 2-constrained mutually non-isomorphic puzzles ( 10001-20000 1392 kb . zip )
28948 2-constrained mutually non-isomorphic puzzles ( 20001-28948 2000 kb . zip )
28948 2-constrained mutually non-isomorphic puzzles - soluzioni ( 1-10000 996 kb . zip )
28948 2-constrained mutually non-isomorphic puzzles - soluzioni ( 10001-20000 857 kb . zip )
28948 2-constrained mutually non-isomorphic puzzles - soluzioni ( 20001-28948 906 kb . zip )
Altri schemi At&t su Excel si possono trovare nella pagina download schemi di "Sudoku Players' Forum" e nella pagina download schemi di "Sudoku Programmers Forum".