PermutationGroup<20|
\[18,9,6,14,15,3,8,7,2,17,12,11,16,4,5,13,10,1,20,19],
\[9,6,14,15,3,8,7,2,17,12,11,16,4,5,13,10,1,20,18,19]
/*order=3420=2^2*3^2*5*19*/>
