#define tick_width 14
#define tick_height 14
static char tick_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x38, 0x00, 0x1c, 0x00, 0x0e,
   0x00, 0x07, 0x80, 0x03, 0xc2, 0x01, 0xe7, 0x00, 0x7f, 0x00, 0x3e, 0x00,
   0x1c, 0x00, 0x08, 0x00};