Questions about backgammon and five pieces in a row

Backgammon is one of the traditional Othello games that originated in ancient China. Two people play on a 15×15 chessboard and arrange the five chess pieces of the color they hold in a row horizontally, vertically or diagonally. The first one to line up wins. Modern Gobang is called "Renju" in Japanese, translated as "Renju" in English, and "Gobang" or "FIR" (abbreviation of Five in a Row) in English. There are also "Five in a Row", "Five in a Row" and "Five in a Row". There are many names such as "string beads", "five eyes", "five eyes touching", "five grids" and so on.

Five Balls: Try to arrange the colored balls of the same color in a line horizontally, vertically or diagonally. More than 5 colored balls can be eliminated by themselves. The more colored balls eliminated, the higher the score. , if all the spaces are filled, the game ends.