A.C3b4b B.C4b3b C.C3bBb D.C3bnBb E.C4bnBb
A.C2a4b B.C4b2b C.C4a2b D.C2b4a E.C2a4a
A.C2a B.C2b C.C3a D.C3b E.C4a