pub type P61 = PInt<U61>;
struct P61 { pub(crate) n: UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B1>, B1>, B1>, B0>, B1>, }
n: UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B1>, B1>, B1>, B0>, B1>