x_1, x_2, x_3, x_4, x_5, x_6, 
297086671*x_2-477823125*x_1
-178950478013137*x_1*x_6+1753999705584*x_3
317754351516634115*x_1^2-88260490085862241
279173912657*x_6^2-69714432
-8096043467053*x_1*x_6+3507999411168*x_4
73981086854105*x_1*x_6+1169333137056*x_5
