數獨 [ㄕㄨˋ ㄉㄨˊ; shu4 du2] sudoku (Japanese: sū doku) ◄ ►
数独 すうどく すどく word containing irregular kana usage noun (common) (futsuumeishi) [from 数字は独身に限る] Sudoku (number puzzle in which digits may only occur once per block) ◄ ►