Intro: AbI-----7-2-3-----------------------------------------------I BbI-5-5--------5-5-7-8--3-3-7-8-10-8-7-8--------------------I GbI---------------------------------------------------------I DbI---------------------------------------------------------I AbI---------------------------------------------------------I EbI---------------------------------------------------------I AbI-----7-2-3-----------------------------------------------I BbI-5-5--------5-5-7-8--3-3-7-8-8-7-5-7---------------------I GbI---------------------------------------------------------I DbI---------------------------------------------------------I AbI---------------------------------------------------------I EbI---------------------------------------------------------I