#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(39,  16,2);

byte  dr[8] {
  0b00001,
  0b00010,
  0b00100,
  0b01000,
  0b10000,
  0b00000,
  0b00000,
  0b00000       };
byte  dl[8] {
  0b10000,
  0b01000,
  0b00100,
  0b00010,
  0b00001,
  0b00000,
  0b00000,
  0b00000   };
byte  ur[8] {
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00110,
  0b01001,
  0b10000,
  0b10000   };
  byte  ul[8] {
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b01100,
  0b10010,
  0b00001,
  0b00001   };

void loop() { }    


void setup() { lcd.init();    lcd.backlight();
          lcd.createChar(1,  dr);
        lcd.createChar(2, dl);
       lcd.createChar(3, ur); 
      lcd.createChar(4, ul);
  lcd.setCursor(0,0);     lcd.print(char(3));  
  lcd.setCursor(0,1);     lcd.print(char(2)); 
  lcd.setCursor(1,0);     lcd.print(char(4));  
    lcd.setCursor(1,1);     lcd.print(char(1));  
}