pub type N42 = NInt<U42>;
struct N42 { pub(crate) n: UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B1>, B0>, B1>, B0>, }
n: UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B1>, B0>, B1>, B0>