gistfile1.txt

$image = imagecreatefrompng("/home/vagrant/Code/image.png");

        $cmds = [[],[]];
        for ($y = 0; $y < 30; $y++) {
            for ($x = 0; $x < 30; $x++) {
                // 0 - black,
                // 127 - grey
                // 255 - white
                $color = imagecolorat($image, $x, $y);
                // black
                if (
//                    $color == 0
                    $color <= 127 / 2
                ) {
                  $cmds[0][] = $y * 30 + $x;
                // white
                } else if (
                    $color >= 127 / 2 * 3
//                    $color == 255
                ) {
                // grey
                } else {
                    $cmds[1][] = $y * 30 + $x;
                }
            }
        }

        foreach ($cmds[1] as $index) {
            echo "jQuery(jQuery('#grid .c-keeper .line .cell')[$index]).click();\n";
        }

        foreach ($cmds[0] as $index) {
            echo "jQuery(jQuery('#grid .c-keeper .line .cell')[$index]).click();\n$('#paint-orange').click();\n";
        }
        die;