ESP3D/libraries/esp8266-oled-ssd1306-4.3.0/examples/SSD1306ClockDemo/images.h

const uint8_t activeSymbol[] PROGMEM = {
    B00000000,
    B00000000,
    B00011000,
    B00100100,
    B01000010,
    B01000010,
    B00100100,
    B00011000
};

const uint8_t inactiveSymbol[] PROGMEM = {
    B00000000,
    B00000000,
    B00000000,
    B00000000,
    B00011000,
    B00011000,
    B00000000,
    B00000000
};