Click on the grid to put a 0 or 1 in each empty cell
Every row and every column must contains four 1s and four 0s
No more than two 1s or two 0s can be adjacent in any row or column
Easy and Hard mode available to test your skill
Click on the grid to put a 0 or 1 in each empty cell
Every row and every column must contains four 1s and four 0s
No more than two 1s or two 0s can be adjacent in any row or column
Easy and Hard mode available to test your skill