avr-projects/pov-led-globe/globe-timed-experimentalsd/image_test_narrow16.h

#define ROWS 2
#define COLS 4

const uint8_t image[COLS][ROWS] PROGMEM = {
	{ 0b10101010, 0b00000000 }, //█ █ █ █         
	{ 0b10101011, 0b11000000 }, //█ █ █ ████      
	{ 0b00000011, 0b11010101 }, //      ████ █ █ █
	{ 0b00000000, 0b01010101 }, //         █ █ █ █
};