Smart Sudoku (Smart Sudoku)
A special puzzle for smart people in the Smart Sudoku game. This is Sudoku and only those who love complex and intricate puzzles will be able to solve it successfully and quickly enough. Challenge yourself, the rules are simple: fill free cells with numbers so that they do not repeat vertically, diagonally and horizontally in a square cell. Take the numbers on the left on the vertical panel. Correct setting - number will be blue, incorrect - red. This will allow you not to spend a lot of time on solving. The timer is on the top right and it counts down the seconds inexorably.