flowchart TB
subgraph Main[Main Deck]
A[MV GIS 1]
B[Main Trafo 1]
C[Shunt 1]
D[HV GIS 1]
E[MV GIS 2]
F[Main Trafo 2]
G[Shunt 2]
H[HV GIS 2]
end
%% Arrange blocks horizontally using invisible connections
A---B---C---D
E---F---G---H
%% Hide all connection lines
linkStyle 0,1,2,3,4,5 stroke:none, fill:none