identity C3 True C4 True SC True
shear C3 True C4 True SC True
diagonal C3 True C4 True SC True
candidate C3 False C4 True SC False
Pauli-to-Pauli labels: ((0, 0, 0, 0), (0, 0, 1, 0), (0, 0, 2, 0))
All 81 conjugation formulas verified exactly modulo 3.
