board.x = get_seq(seq[i++]);
board.y = get_seq(seq[i++]);
- board.game[0] = 0x1ffffff ^ board_position(board.x, board.y);
+ board.game[0] = GAME_MASK ^ board_position(board.x, board.y);
board.game[1] = board.game[2] = board.game[3] = board.game[0];
while (1) {