abalone

https://www.youtube.com/watch?v=6hiqG4cfOGk&list=PLtMBYJw2QDlDUA69mIJF_sRO gkzWYDGBQ&index=11&oref=https%3A%2F%2Fwww.youtube. com%2Fwatch%3Fv%3D6hiqG4cfOGk%26list%3DPLtMBYJw2QD lDUA69mIJF_sROgkzWYDGBQ%26index%3D11&has_verified= 1