Number Place of MARU YON в Android Market

Number Place of MARU YON (v. 4.0) Разработано maru yon

Rule of Number Place
(1)Each row must have the numbers 1-9 occuring just once.
(2)Each column must have the numbers 1-9 occuring just once.
(3)And the numbers 1-9 must occur just once in each of the 9 sub-boxes(3x3) of the grid.