even further - since the first part says what figure is moved, based on the current state - it can tell what are the possible states (in bits), and only expect

even further - since the first part says what figure is moved, based on the current state - it can tell what are the possible states (in bits), and only expect that amount of bits that follow. - at the end it'll be just bag of bytes, that need to be URL encoded. Probably something that can fit in a long URL (max 2048 chars?)