"Sudoku Bento" by Aaron Lee Fineman

bento (noun): a thin box, made of plastic or lacquered wood, divided into compartments, which contain small separate dishes comprising a Japanese meal, esp. lunch (source)

Sudoku (noun): One of 95% of all iPhone games that aren't Mahjong Solitaire.

Load this layout in Moonlight Mahjong on your iPhone or iPod Touch.

Requires Moonlight Mahjong 1.1 or later.