#define letter_width 24
#define letter_height 24
static char letter_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x02,0x00,0x80,0x07,0x00,0x60,0x09,0x00,0x18,0x11,
0x00,0x86,0x10,0x80,0x41,0x20,0x60,0x20,0x40,0x18,0x20,0x81,
0xc6,0x1f,0x61,0xff,0x0f,0x1f,0x3a,0x00,0x01,0x02,0x80,0x01,
0x04,0x60,0x00,0x28,0x18,0x00,0x10,0x06,0x00,0x90,0x01,0x00,
0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};