pub type P81 = PInt<U81>;
struct P81 { pub(crate) n: UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B1>, B0>, B0>, B0>, B1>, }
n: UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B1>, B0>, B0>, B0>, B1>