$0.00000000000$ & $0.00000000000$\                                                      ${p_0(p_c)=p_0(p_c)}$ & $0.00000000000$ & $0.00000000000$\                                                      ${p_0(p_c)}$ & $0.00000000000$ & $0.00000000000$\   --------- ---------------------------------------- --------------------------------------------------------------------------------------------------------    --------- ------------------------------------------------------------------------------------------------------------------------------------   Sub-net   $0 \times 0$ (