#define concentMask_width 21
#define concentMask_height 21
static unsigned char concentMask_bits[] = {
   0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f,
   0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f,
   0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f,
   0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f,
   0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f, 0xff, 0xff, 0x1f,
   0xff, 0xff, 0x1f};
