g&$ $$$$ $a g&$ $$$$ $$l $$$$ $a $$$$ $$$l $$$$ $$l aaaa $$$$ $$$$aaaagggga$$$$ $$$l gggg $$$$ $$$$ $$$$ $$$$ $$$$ $$$$y$$$$ $$$$ $$$$y$$$$ $$$$ $$$$$$$$$ $$$$ d$$P 4$$b $$$$ $$$$ $$$$ $$$$ l$$l iMp l$$l $$$$ $$$$y$$$$ $$$$ 7$$b d$$P $$$$ a aaggggaggggaa aggggaa aggggaggggaa aggggaa a $$$$ $$$$ $$$$ $$$$ $$$$ $$$$ $$$$ $$$$ $$$$ $$$$ $$$$ $$$$ $$$$ $$$$ $$$$ $$$$aaaa$$$$ $$$$ $$$$ ACK(ACID)