-2x^30-2x^29+4x^28+2x^27+3x^26-4x^25+4x^24+5x^22+x^21+3x^20-5x^19-4x^18-x^17+x^16+2x^15-5x^14-5x^13+5x^12-x^10-5x^9+5x^8+x^7-4x^6-4x^5+2x^4+4x^3-x^2-5