#define concent_width 21
#define concent_height 21
static char concent_bits[] = {
   0xff, 0xff, 0x1f, 0x03, 0x04, 0x18, 0x05, 0x04, 0x14, 0x09, 0x04, 0x12,
   0x11, 0x04, 0x11, 0x21, 0x84, 0x10, 0x41, 0x44, 0x10, 0x81, 0x24, 0x10,
   0x01, 0x15, 0x10, 0x01, 0x0e, 0x10, 0xff, 0xff, 0x1f, 0x01, 0x0e, 0x10,
   0x01, 0x15, 0x10, 0x81, 0x24, 0x10, 0x41, 0x44, 0x10, 0x21, 0x84, 0x10,
   0x11, 0x04, 0x11, 0x09, 0x04, 0x12, 0x05, 0x04, 0x14, 0x03, 0x04, 0x18,
   0xff, 0xff, 0x1f};