#define nail_width 16
#define nail_height 16
static char nail_bits[] = {
   0x00, 0xf8, 0xc0, 0xe7, 0x30, 0xd8, 0xd8, 0xb6, 0x28, 0xa9, 0x54, 0x54,
   0x94, 0x53, 0xa4, 0x4a, 0x94, 0x53, 0x54, 0x54, 0x28, 0x29, 0xd8, 0x36,
   0x30, 0x18, 0xc0, 0x07, 0x00, 0x00, 0x00, 0x00};