At least it seems reasonably efficient. The bitmap is composed of 106 * 17 = 1802 bits, while the digits contain 543 * log2(10) = 1803.8 bits; not bad, disregar

At least it seems reasonably efficient. The bitmap is composed of 106 * 17 = 1802 bits, while the digits contain 543 * log2(10) = 1803.8 bits; not bad, disregarding redundancy in the image.