Rankarusu

drop procedure if exists doWhile;
SET autocommit=0;
SET unique_checks=0;
SET foreign_key_checks=0;

DELIMITER //
CREATE PROCEDURE doWhile()
BEGIN
DECLARE i INT default 1;
WHILE (i <= 15000000) DO

Rankarusu

private function checkPosition(int $x, int $y, array $grid): bool
    {
        $neighbors = [];

        $offsets = [
            [-1, -1],
            [-1, 0],
            [-1, 1],
            [0, -1],
            [0, 1],