{ diff(x1, t) = (1*k95*x65*k5 + 1*k96*x68 + (-1)*k18*x1)/k132,
  diff(x2, t) = (1*k100*x3 + (-1)*k20*x2 + (-1)*k70*x20*x2 + 1*k46*x66 + 1*k47*x66*x6)/k132,
  diff(x3, t) = (1*k101*x65*k5 + (-1)*k21*x3 + 1*k102*x72)/k132,
  diff(x4, t) = ((-1)*k71*x4*x13 + 1*k48*x67 + 1*k103*x5 + (-1)*k22*x4)/k132,
  diff(x5, t) = (1*k104*x65*k5 + 1*k105*x68 + 1*k97*k136 + (-1)*k23*x5)/k132,
  diff(x6, t) = (1*k106*x65*k5 + 1*k107*x68 + (-1)*k26*x6)/k132,
  diff(x7, t) = ((-1)*k9*x55*x7 + 1*k81*x57 + 1*k92*x8)/k132,
  diff(x8, t) = (1*k14*x57*x32 + (-1)*k92*x8 + (-1)*k68*x8*x21 + 1*k93*x9)/k132,
  diff(x9, t) = (1*k68*x8*x21 + (-1)*k93*x9)/k132,
  diff(x10, t) = ((-1)*k72*x10*x60 + 1*k49*x11 + 1*k50*x11*x25)/k132,
  diff(x11, t) = (1*k72*x10*x60 + (-1)*k49*x11 + (-1)*k50*x11*x25)/k132,
  diff(x12, t) = ((-1)*k73*x12*x8 + 1*k51*x13 + 1*k52*x13*x6)/k132,
  diff(x13, t) = (1*k73*x12*x8 + (-1)*k51*x13 + (-1)*k52*x13*x6)/k132,
  diff(x14, t) = (1*k108*x65*k5 + (-1)*k28*x14)/k132,
  diff(x15, t) = (1*k109*x65*k5 + 1*k110*x68 + (-1)*k29*x15)/k132,
  diff(x16, t) = (1*k115*x65*k5 + 1*k116*x68 + (-1)*k33*x16)/k132,
  diff(x17, t) = (1*k118*x65*k5 + 1*k119*x68 + (-1)*k35*x17)/k132,
  diff(x18, t) = (1*k113*x65*k5 + 1*k114*x68 + (-1)*k32*x18)/k132,
  diff(x19, t) = ((-1)*k74*x19*x8 + 1*k53*x20 + 1*k54*x20*x15)/k132,
  diff(x20, t) = (1*k74*x19*x8 + (-1)*k53*x20 + (-1)*k54*x20*x15)/k132,
  diff(x21, t) = (1*k120*x65*k5 + 1*k121*x68 + (-1)*k37*x21 + (-1)*k68*x32*x21 + (-1)*k68*x8*x21 + 1*k93*x33 + 1*k93*x9)/k132,
  diff(x22, t) = (1*k111*x16 + (-1)*k2*x22*x14 + (-1)*k3*x22*x46)/k132,
  diff(x23, t) = (1*k117*x17 + (-1)*k4*x23*x14)/k132,
  diff(x24, t) = (1*k112*x18 + (-1)*k1*x24*x46)/k132,
  diff(x25, t) = (1*k122*x72 + (-1)*k38*x25)/k132,
  diff(x26, t) = (1*k123*x27 + (-1)*k39*x26 + (-1)*k12*x26*x63 + 1*k90*x62)/k132,
  diff(x27, t) = (1*k124*x72 + (-1)*k40*x27)/k132,
  diff(x28, t) = ((-1)*k75*x28*x11 + 1*k55*x29 + 1*k58*x29*x25 + 1*k69*x71)/k132,
  diff(x29, t) = (1*k75*x28*x11 + (-1)*k55*x29 + (-1)*k58*x29*x25 + (-1)*k15*x29)/k132,
  diff(x30, t) = ((-1)*k43*x30 + 1*k128*x72*x73 + 1*k98*x73 + 1*k127*x65*x73*k5)/k132,
  diff(x31, t) = (1*k99*k136 + 1*k130*x65*k5 + 1*k131*x72*k5 + (-1)*k45*x31)/k132,
  diff(x32, t) = ((-1)*k14*x57*x32 + 1*k92*x8 + (-1)*k68*x32*x21 + 1*k93*x33)/k132,
  diff(x33, t) = (1*k68*x32*x21 + (-1)*k93*x33)/k132,
  diff(x34, t) = (1*k94*x1 + (-1)*k17*x34 + (-1)*k60*x34*x53 + 1*k76*x35 + (-1)*k61*x54*x34 + 1*k77*x36)/k135,
  diff(x35, t) = (1*k60*x34*x53 + (-1)*k76*x35)/k135,
  diff(x36, t) = (1*k61*x54*x34 + (-1)*k77*x36)/k135,
  diff(x37, t) = 0/k135,
  diff(x38, t) = (-1)*k19*x38*x34/k135,
  diff(x39, t) = 1*k19*x38*x34/k135,
  diff(x40, t) = (1*k24*x41*x43 + 1*k25*x41*x49)/k135,
  diff(x41, t) = ((-1)*k24*x41*x43 + (-1)*k25*x41*x49 + 1*k19*x38*x34)/k135,
  diff(x42, t) = ((-1)*k7*x42*x58 + 1*k79*x55 + (-1)*k8*x42*x59 + 1*k80*x56 + (-1)*k27*x42)/k135,
  diff(x43, t) = (1*k2*x22*x14 + 1*k3*x22*x46 + (-1)*k30*x43 + (-1)*k64*x43*x53 + 1*k82*x44 + (-1)*k65*x43*x54 + 1*k85*x45)/k135,
  diff(x44, t) = (1*k64*x43*x53 + (-1)*k82*x44)/k135,
  diff(x45, t) = (1*k65*x43*x54 + (-1)*k85*x45)/k135,
  diff(x46, t) = (1*k4*x23*x14 + (-1)*k34*x46 + (-1)*k66*x46*x53 + 1*k86*x47 + (-1)*k67*x46*x54 + 1*k87*x48)/k135,
  diff(x47, t) = (1*k66*x46*x53 + (-1)*k86*x47)/k135,
  diff(x48, t) = (1*k67*x46*x54 + (-1)*k87*x48)/k135,
  diff(x49, t) = (1*k1*x24*x46 + (-1)*k31*x49 + (-1)*k62*x49*x53 + 1*k83*x50 + (-1)*k63*x49*x54 + 1*k84*x51)/k135,
  diff(x50, t) = (1*k62*x49*x53 + (-1)*k83*x50)/k135,
  diff(x51, t) = (1*k63*x49*x54 + (-1)*k84*x51)/k135,
  diff(x52, t) = ((-1)*k10*x52*x63 + 1*k88*x60 + (-1)*k11*x52*x64 + 1*k89*x61 + (-1)*k36*x52)/k135,
  diff(x53, t) = (1*k126*x30 + (-1)*k42*x53 + (-1)*k64*x43*x53 + 1*k82*x44 + (-1)*k66*x46*x53 + 1*k86*x47 + (-1)*k62*x49*x53 + 1*k83*x50 + (-1)*k60*x34*x53 + 1*k76*x35)/k135,
  diff(x54, t) = (1*k129*x31 + (-1)*k44*x54 + (-1)*k61*x54*x34 + 1*k77*x36 + (-1)*k65*x43*x54 + 1*k85*x45 + (-1)*k67*x46*x54 + 1*k87*x48 + (-1)*k63*x49*x54 + 1*k84*x51)/k135,
  diff(x55, t) = (1*k7*x42*x58 + (-1)*k79*x55 + (-1)*k9*x55*x7 + 1*k81*x57 + 1*k14*x57*x32)/k134,
  diff(x56, t) = (1*k8*x42*x59 + (-1)*k80*x56)/k134,
  diff(x57, t) = (1*k9*x55*x7 + (-1)*k81*x57 + (-1)*k14*x57*x32)/k134,
  diff(x58, t) = ((-1)*k7*x42*x58 + 1*k79*x55)/k134,
  diff(x59, t) = ((-1)*k8*x42*x59 + 1*k80*x56)/k134,
  diff(x60, t) = (1*k10*x52*x63 + (-1)*k88*x60)/k134,
  diff(x61, t) = (1*k11*x52*x64 + (-1)*k89*x61)/k134,
  diff(x62, t) = (1*k12*x26*x63 + (-1)*k90*x62)/k134,
  diff(x63, t) = ((-1)*k10*x52*x63 + 1*k88*x60 + (-1)*k12*x26*x63 + 1*k90*x62)/k134,
  diff(x64, t) = ((-1)*k11*x52*x64 + 1*k89*x61)/k134,
  diff(x65, t) = (1*k6*x66*x67 + (-1)*k78*x65)/k133,
  diff(x66, t) = (1*k70*x20*x2 + (-1)*k46*x66 + (-1)*k47*x66*x6 + (-1)*k6*x66*x67 + 1*k78*x65)/k133,
  diff(x67, t) = (1*k71*x4*x13 + (-1)*k48*x67 + (-2)*k59*x67*(x67 - 1)*1/2 + 2*k16*x68 + (-1)*k6*x66*x67 + 1*k78*x65)/k133,
  diff(x68, t) = (1*k59*x67*(x67 - 1)*1/2 + (-1)*k16*x68)/k133,
  diff(x69, t) = (1*k125*x65*k5 + (-1)*k41*x69 + (-1)*k13*x69*x73 + 1*k91*x70)/k133,
  diff(x70, t) = (1*k13*x69*x73 + (-1)*k91*x70)/k133,
  diff(x71, t) = (1*k56*x72 + 1*k57*x72*x25 + (-1)*k69*x71)/k133,
  diff(x72, t) = ((-1)*k56*x72 + (-1)*k57*x72*x25 + 1*k15*x29)/k133,
  diff(x73, t) = ((-1)*k13*x69*x73 + 1*k91*x70)/k133,
  diff(x74, t) = 0,
  diff(x75, t) = 0 }