private function seek()
    {
        $version = $this->get(VersionAnalyzer::class);

        $constant2 = pack('c*', 0x9A, 0x99, 0x99, 0x99, 0x99, 0x99, 0xF9, 0x3F);
        $separator = pack('c*', 0x9D, 0xFF, 0xFF, 0xFF);

        $playersByIndex = [];

        $size = strlen($this->header);
        $this->position = 0;

        $triggerInfoPos = strrpos($this->header, $constant2, $this->position) + strlen($constant2);
        $gameSettingsPos = strrpos($this->header, $separator, -($size - $triggerInfoPos)) + strlen($separator);

        $this->position = $gameSettingsPos + 8;
        if (!$version->isAoK) {
            // Skip Map ID.
            $this->position += 4;
        }
        // Skip difficulty & diplomacy lock.
        $this->position += 8;

        // TODO Is 12.3 the correct cutoff point?
        if ($version->subVersion >= 12.3) {
            // TODO what are theeeese?
            $this->position += 16;
        }
    }