3 1 1 0 0 0 0 0 0 # i >= 0
4 1 -1 0 1 1 0 0 0 # -i + k + N >= 0
5 1 0 1 1 0 1 0 0 # j + k + M >= 0
6 1 1 -1 0 0 0 1 0 # i - k + L >= 0
7 1 0 0 0 0 0 1 0 # L >= 0
8 1 0 0 0 0 1 1 0 # M + L >= 0
24 { 34/7*L-1/7*M, 75/28*N+61/28*L-79/28*M }
26 {75/28*N+61/28*L-79/28*M}
34 { -1/7*N+5*L, 34/7*N-5*M }