4) bq A A@@@@@@@@zDyDGB8 HLMAB8H [a]BB8L [b]CB8M &&" )*bl?@@@@@?@@@@@zDyDG B8 OctavesUUUUUUUUUUUUUUU"A1.5B1C2D3E4F1.5G1H2I3J4""""""""""bJl @`@@@@ @`@@@@zDyDGB8 Half OctavesUUUUUUUUUUUUUUU"A1.5B1C2D3E4F1.5G1H2I3J4""""""""""