[18bit 4taps]
 20013, 20026, 20083, 200C8, 20105, 20109, 20130, 2020C,
 20218, 20244, 20250, 20290, 20304, 20442, 20482, 20812,
 20814, 20844, 20910, 20A01, 21003, 21018, 21028, 21050,
 21104, 21120, 21202, 21280, 21410, 21480, 21900, 22011,
 22014, 22042, 22104, 22600, 22810, 23002, 23010, 23080,
 24012, 24102, 24108, 24110, 24180, 24402, 24420, 24480,
 25008, 25020, 26080, 28018, 28044, 28081, 28090, 28104,
 28240, 28408, 28440, 29004, 29020, 2C800, 30011, 300A0,
 30202, 31001, 31008, 32100, 34100, 38010, 38200, 39000,