Sometimes wiki addict. Interests include music (electronic), games, game development, programming languages (like LuaLanguage), 3d graphics (continuous level of detail algorithms, and visibility algorithms), content scalability issues (especially w.r.t. game development), and ThomasPynchon books.
See also KillMutableState.
Ward asked IsTheBlankSudokuDiabolical (meaning requiring backtracking to fill), but there's a trivial permutation that will take any 3x3 subblock, and rotating its contents by row and column, replicate it to make a validly filled Sudoku.