This is a library for the LT-3XS664(595) display, which has three rows with six, six, and four slots, respectively.
#include <Arduino.h>
#include <Display.h>
Display display(LCD_ENABLE_PIN, LCD_CLK_PIN, LCD_DATA_PIN);
void setup() {
display.setup();
display.print("123456", "1.2.3.4.5.6." + "L.O.L. overflow...");
delay(3000);
display.printFirstRow("timele");
display.printSecondRow("s.words.");
for (int i=0; i<3; ++i) {
display.printThirdRow(((String)"in " + i));
delay(1400);
}
display.cls(); // clear screen (just fills all slots with space)
delay(400);
display.printFirstRow("as5"); delay(400);
display.printSecondRow("we"); delay(400);
display.printThirdRow("can");
}