The key principle of sudoku is peaceful thinking. Don't be in a rush - relax. Sudoku puzzle solving is supposed to pacify the player's mind, to "pour oil on troubled waters" of your senses. The game is sure to calm and harmonise you in a habitual for humans vain haste of intellectual spasms. The aha factor is bound to reach you. Follow your intuition on the blessed path of settling this enigmatic eye teaser.