Governor copyright (c) 2012-2021 the lila authors.
Lila is free software; you can redistribute and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

Lila is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the [GNU Affero General Public License](https://www.gnu.org/licenses/agpl-3.0.txt) for more details.
Obtained from [here](https://github.com/ornicar/lila/tree/master/public/piece).
