Orbit and Cell graphs

Here are two kinds of pictures:
Closure relations of special complex nilpotent orbits
John Stembridge's squashblock graph: the vertices of a certain poset with vertices the cells for some (real) group (see John's README).

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C2

Special complex nilpotent orbits for C2
Cells for big block of split Sp(4,R)
Cells for big block of SO(3,2)

C3/B3

Special complex nilpotent orbits for C3
Cells for big block of split Sp(6,R)
Cells for big block of split SO(4,3)

F4

Special complex nilpotent orbits for F4
Cells for big block of split F4

E6

Special complex nilpotent orbits for E6
Cells for big block of split simply connected E6
Cells for big block of adjoint quaternionic E6

E7

Special complex nilpotent orbits for E7
Cells for big block of split simply connected E7
Cells for big block of split adjoint E7

Cells for big block of split E8

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C2
Special complex nilpotent orbits for C2	Cells for big block of split Sp(4,R)	Cells for big block of SO(3,2)

C3/B3
Special complex nilpotent orbits for C3	Cells for big block of split Sp(6,R)	Cells for big block of split SO(4,3)

F4
Special complex nilpotent orbits for F4	Cells for big block of split F4

E6
Special complex nilpotent orbits for E6	Cells for big block of split simply connected E6	Cells for big block of adjoint quaternionic E6

E7
Special complex nilpotent orbits for E7	Cells for big block of split simply connected E7	Cells for big block of split adjoint E7
Cells for big block of split E8