X_e:=\left\{n_e:=\left(n_1^e,\ldots,n_{K_e}^e\right)\in\stackrel[k\in K_e]{}{\times}\left\{0,\ldots,\left\lfloor\frac{c}{b_k^e}\right\rfloor\right\}: c_e(n_e)\le C\right\}
b(n_e):=\max_{k\in K_e: n_k^e>0}\left\{b_k^e\right\}
\stackrel[\lambda_e,b_e]{}{\mathbf M}