#define B4_width 16
#define B4_height 16
static char B4_bits[] = {
   0xad, 0xb5, 0x2c, 0x34, 0xf3, 0xcf, 0x93, 0xc9, 0x6c, 0x36, 0xb7, 0xed,
   0xd4, 0x2b, 0x6d, 0xb6, 0x6d, 0xb6, 0xd4, 0x2b, 0xb7, 0xed, 0x6c, 0x36,
   0x93, 0xc9, 0xf3, 0xcf, 0x2c, 0x34, 0xad, 0xb5};