$a->strings["Three dimensional tic-tac-toe is just like the traditional game except that it is played on multiple levels simultaneously. "]="";
$a->strings["In this case there are three levels. You win by getting three in a row on any level, as well as up, down, and diagonally across the different levels."]="";
$a->strings["The handicap game disables the center position on the middle level because the player claiming this square often has an unfair advantage."]="";