All degree-8 products of distinct cyclotomic polynomials with [z^6]=[z^2]=1
factors                    p   q  tau    L  status
Phi3*Phi9                  1   1    0    9  degenerate (tau=0)
Phi5*Phi10                 0   0   -1   10  VALID
Phi3*Phi4*Phi12            1   0    0   12  degenerate (tau=0)
Phi4*Phi6*Phi12           -1   0    0   12  degenerate (tau=0)
Phi3*Phi18                 1  -1    0   18  degenerate (tau=0)
Phi6*Phi9                 -1   1    0   18  degenerate (tau=0)
Phi6*Phi18                -1  -1    0   18  degenerate (tau=0)
Phi3*Phi6*Phi8             0   0   -2   24  VALID
Phi4*Phi9                  0   1    0   36  degenerate (tau=0)
Phi4*Phi18                 0  -1    0   36  degenerate (tau=0)
Phi5*Phi8                  1   1   -1   40  VALID
Phi8*Phi10                -1  -1   -1   40  VALID
Phi3*Phi14                 0  -1   -1   42  VALID
Phi6*Phi7                  0   1   -1   42  VALID

VALID rational moduli: [10, 24, 40, 42]
RATIONAL CLASSIFICATION CHECK PASSED
