Data:7 7/QuantumInvariant/A1/2
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[math]\displaystyle{ q^{20}-2 q^{18}-2 q^{16}+5 q^{14}-q^{12}-3 q^{10}+5 q^8-3 q^4+2 q^2+1- q^{-2} -2 q^{-4} +2 q^{-6} +2 q^{-8} -4 q^{-10} +2 q^{-12} +4 q^{-14} -4 q^{-16} +3 q^{-20} -2 q^{-22} - q^{-24} + q^{-26} }[/math]