Techniques for generating quality indicator bits in a wireless communication system. A ply turnup portion 11 of the carcass 6 is terminated radially outside a tire maximum width point M. When the player inputs a correct response to the hidden bonus feature, the player receives an additional award. The reception status detector is included in each of the plurality of devices and configured to detect whether the data packet is periodically received based on the ID information added to the data packet received from another device. In one embodiment, the zipper portions are connected by a fold line situated adjacent the gusset fold line.