GND(A1〜A4,A7,A12,B1〜B4,B7,B12,C3〜C4,C7,C12, D3〜D4,D7,D12,E3〜E4,E7,E12,F1〜F4,F7,F12,G3〜 G4,G7,G12,H3〜H4,H7,H12,J3〜J4,J7,J12,K1〜K4, K7〜K12,L1〜L15,M1〜M15,N1〜N4,N7〜N8,N12,P3〜 P4,P7,P12,R3〜R4,R7,R12,T3〜T4,T7,...