D = [ -8, -35, -47, -68 ]

K = Q(sqrt(-8)):	-q - q^3 - q^4 + q^6 - q^7 + q^8 + q^10 - q^11 + q^12 - q^13 - q^15 - q^17 + q^18 + q^19 + q^20 + q^21 - q^22 - q^24 + q^25 + q^26 + q^27 + q^29 - q^30 + q^33 + q^34 - q^35 + q^36 - q^37 - q^39 + O(q^41) (time = 0.33)

K = Q(sqrt(-35)):	-q + q^3 + q^4 + q^6 + q^7 - q^9 + q^11 + q^12 + q^14 - q^15 - q^16 + q^17 - q^18 - q^19 - q^21 - q^22 - q^23 - q^24 - q^26 - q^28 - q^29 + q^30 + q^31 + q^32 + q^34 + q^35 + q^36 + q^37 - q^38 - q^39 - q^40 + O(q^41) (time = 1.98)

K = Q(sqrt(-47)):	-q - q^4 - q^5 - q^6 + q^7 + q^8 + q^9 - q^10 - q^12 - q^14 + q^16 - q^18 - q^19 + q^20 + q^21 - q^22 - q^23 + q^24 - q^25 - q^26 + q^28 - q^29 - q^30 - q^31 - q^32 + q^33 + q^34 - q^35 + q^36 + q^37 - q^38 - q^39 + q^40 + O(q^41) (time = 5.81)

K = Q(sqrt(-68)):	-q + q^3 + q^4 - q^5 - q^6 - q^8 - q^9 - q^10 + q^11 + q^12 - q^13 + q^14 + q^15 - q^16 - q^18 - q^20 + q^22 + q^23 - q^26 + q^29 + q^30 + q^31 + q^33 - q^36 - q^37 + q^38 - q^39 + O(q^41) (time = 0.951)
