#define erase_width 24
#define erase_height 24
static unsigned char erase_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x3f,
   0x00, 0x10, 0x30, 0x00, 0x08, 0x68, 0x00, 0x04, 0x64, 0x00, 0x02, 0x62,
   0x00, 0x01, 0x71, 0x80, 0x80, 0x18, 0x40, 0x40, 0x0c, 0x20, 0x20, 0x06,
   0x10, 0x10, 0x03, 0x08, 0x88, 0x01, 0x04, 0xc4, 0x00, 0xfe, 0x63, 0x00,
   0x02, 0x32, 0x00, 0x02, 0x1a, 0x00, 0x02, 0x0e, 0x00, 0xfe, 0x07, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};