[ Eq(Derivative(x1, t), ((-1)*k17*x1**k18*x4**k19*x6**k20 + (-1)*k34*x1**k35*x2**k36*x4**k37*x8**k38*k114**k39 + (-1)*k64*x1**k65*x8**k66*x15**k67 + (-1)*k73*x1**k74*x2**k75*x13**k76 + 1*k93*x1**k94*x4**k95*x8**k96*k113**k97*k114**k98 + (-1)*k99*x1**k100)/k1),
  Eq(Derivative(x2, t), (1*k13*x4**k14*x8**k15*k114**k16 + (-1)*k24*x2**k25*x4**k26*x8**k27*k114**k28 + 1*k34*x1**k35*x2**k36*x4**k37*x8**k38*k114**k39 + 1*k53*x2**k54*x4**k55*x7**k56*x8**k57 + 1*k73*x1**k74*x2**k75*x13**k76 + (-1)*k81*x2**k82*x7**k83*x8**k84 + (-1)*k85*x2**k86*k114**k87)/k1),
  Eq(Derivative(x3, t), (1*k24*x2**k25*x4**k26*x8**k27*k114**k28 + (-1)*k29*x3**k30*x4**k31)/k1),
  Eq(Derivative(x4, t), ((-1)*k2*x4**k3 + (-1)*k9*x4**k10*x9**k11*x10**k12 + (-1)*k13*x4**k14*x8**k15*k114**k16 + 1*k17*x1**k18*x4**k19*x6**k20 + (-1)*k21*x4**k22*x8**k23 + 1*k29*x3**k30*x4**k31 + (-1)*k88*x4**k89*x5**k90 + 1*k101*x11**k102 + 1*k105*x5**k106)/k1),
  Eq(Derivative(x5, t), (1*k88*x4**k89*x5**k90 + (-1)*k91*x5**k92 + (-1)*k105*x5**k106)/k1),
  Eq(Derivative(x6, t), ((-1)*k4*x6**k5 + (-1)*k17*x1**k18*x4**k19*x6**k20 + 1*k91*x5**k92)/k1),
  Eq(Derivative(x7, t), ((-1)*k58*x4**k59*x7**k60 + 1*k81*x2**k82*x7**k83*x8**k84)/k1),
  Eq(Derivative(x8, t), ((-1)*k49*x8**k50*x9**k51*x10**k52 + (-1)*k53*x2**k54*x4**k55*x7**k56*x8**k57 + 1*k58*x4**k59*x7**k60 + (-1)*k61*x8**k62*k114**k63 + 1*k64*x1**k65*x8**k66*x15**k67 + (-1)*k68*x4**k69*x8**k70 + 1*k103*x11**k104)/k1),
  Eq(Derivative(x9, t), ((-1)*k6*x9**k7*x10**k8 + 1*k9*x4**k10*x9**k11*x10**k12 + (-1)*k32*x9**k33 + 1*k42*x12**k43)/k1),
  Eq(Derivative(x10, t), ((-1)*k40*x10**k41 + 1*k44*x12**k45 + (-1)*k46*x9**k47*x10**k48 + 1*k49*x8**k50*x9**k51*x10**k52)/k1),
  Eq(Derivative(x11, t), (1*k21*x4**k22*x8**k23 + 1*k68*x4**k69*x8**k70 + (-1)*k101*x11**k102 + (-1)*k103*x11**k104)/k1),
  Eq(Derivative(x12, t), (1*k6*x9**k7*x10**k8 + (-1)*k42*x12**k43 + (-1)*k44*x12**k45 + 1*k46*x9**k47*x10**k48)/k1),
  Eq(Derivative(x13, t), (1*k2*x4**k3 + 1*k32*x9**k33 + (-1)*k73*x1**k74*x2**k75*x13**k76 + (-1)*k77*x13**k78 + (-1)*k79*x13**k80 + 1*k85*x2**k86*k114**k87)/k1),
  Eq(Derivative(x14, t), (1*k71*x15**k72 + 1*k79*x13**k80 + (-1)*k109*x14**k110 + (-1)*k111*x14**k112)/k1),
  Eq(Derivative(x15, t), (1*k40*x10**k41 + 1*k61*x8**k62*k114**k63 + (-1)*k64*x1**k65*x8**k66*x15**k67 + (-1)*k71*x15**k72)/k1),
  Eq(Derivative(x16, t), ((-1)*k107*x16**k108 + 1*k111*x14**k112)/k1),
  Eq(Derivative(x17, t), 0),
  Eq(Derivative(x18, t), 0) ]