#include <LiquidCrystal_I2C.h>

const uint8_t LcdAddress  = 0x27;
const uint8_t LcdLines    = 4;
const uint8_t LcdColumns  = 20;

LiquidCrystal_I2C lcd=LiquidCrystal_I2C(LcdAddress, LcdLines, LcdColumns);

void setup() {
  lcd.init();
  uint8_t ch = 32;
  while (ch > 0)
  {
    for (uint8_t ln = 0; ln < LcdLines; ln ++)
    {
      if (ch > 0)
      {
        uint8_t nm=ch;
        for (uint8_t cf = 1; cf <= 3; cf ++)
        {
          lcd.setCursor(3 - cf, ln);
          lcd.print(nm % 10);
          nm /= 10;
        }
        for (uint8_t cl = 4; cl < LcdColumns && ch > 0; cl ++ , ch++)
        { 
          lcd.setCursor(cl, ln);
          lcd.write(ch);      
        }
      }
      else
        for (uint8_t cl = 0; cl < LcdColumns; cl ++)
        { 
          lcd.setCursor(cl, ln);
          lcd.write(' ');      
        }
    }
    delay(2000);
  }
}

void loop() {
  exit;
}