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2 matroids

label ▲rank ⇅n ⇅#bases ⇅#automorphisms ⇅simple ⇅char set ⇅rs dim ⇅birational type ⇅
3.11.466643111511✓all0point over Q(a)/(a^5 + 2*a^3 - a^2 + 2*a - 1)
3.11.1453443111491✓all3point over Q(a)/(a^5 + 2*a^3 - a^2 + 2*a - 1)