function cdef = testcase_problematic()

%% common informations
cdef.name = 'Testcase: problematic with disappearing faces';
cdef.source = 'Generic Example';
cdef.isGeneric = 0;

%% symmetry information
cdef.sym.defined = 3;        
%?? orthorhombic, H-M: 222

%% lattice informations
cdef.lat.unit_angle = 'degree';      %
cdef.lat.unit_length = 'aengstroem'; %
cdef.lat.a = 1;                 %
cdef.lat.b = 2;                 %
cdef.lat.c = 3;                 %
cdef.lat.alpha = 90;            %
cdef.lat.beta  = 75;            %
cdef.lat.gamma = 90;            %

%% Miller indices
cdef.millerDefined = [1 0 0; 0 1 0;0 -1 0;0 0 1;1 1 0;1 1 1];