for (int i = 0; i < NL ; i++) {
            for (int j = 0; j < length ; j++) {
                if(j%6==0) total+="O";
                else total+="-";
            }
            total = total + "\n";
            for (int j = 0; j <AL ; j++) {
                for (int k = 0; k < length ; k++) {
                    if(k%6==0) total+="|";
                    else total+=" ";
                }
                total = total + "\n";
            }
        }
        for (int j = 0; j < length ; j++) {
            if(j%6==0) total+="O";
            else total+="-";
        }