F4 1-2=>=3-4

Name   Diagram Dim Spec Dual   A:Abar
0      0000    0   1    F4     1
A1     1000    16  0    F4(a1) 1
A1s    0001    22  1    F4(a1) S2
A1+A1s 0100    28  1    F4(a2) 1
A2     2000    30  1    B3     S2:1
A2s    0002    30  1    C3     1
A2+A1s 0010    34  0    F4(a3) 1
B2     2001    36  0    F4(a3) S2
A2s+A1 0101    36  0    F4(a3) 1
C3(a1) 1010    38  0    F4(a3) S2
F4(a3) 0200    40  1    F4(a3) S4
C3     1012    42  1    A2s    1
B3     2200    42  1    A2     1
F4(a2) 0202    44  1    A1+A1s S2:1
F4(a1) 2202    46  1    A1s    S2
F4     2222    48  1    0      1

Note: Duality takes A2s <-> C3 and A2 <-> B3
Differs from Carter pg. 440 by exchanging
long and short roots

A=Abar except in two cases indicated: A2 and F4(a2)