IC with built-in self-test and design method thereof. In particular, a portion of a mattress and bed frame that supports the upper part of the body may adjust to the length of the torso of each individual patient and a midsection of the mattress and bed frame may adjust to the length of the thighs of each individual patient. Policy filtered routing information is flooded throughout the domain of the network device. Groups of the markings may be color coded andor rotationally separated from each other to visibly display the appropriate group of markings applicable to a particular length of pool table being used. In another embodiment, the reel upgrade trigger causes one or more of the reels which have displayed a symbol for the play of the game to change to a better reel strip for the play of the game.