{ diff(x1, t) = ((-1)*k17*k18/(k19*k20)*(x1*x22 - x2*x23/k21)/((1 + x1/k19 + x2/k22)*(1 + x22/k20 + x23/k23)) + 1*k67/k68*(k92 - x1/k69)/(1 + k92/k68 + x1/k70 + 91/100*k92*x1/(k68*k70)))/k17,
  diff(x2, t) = (1*k17*k18/(k19*k20)*(x1*x22 - x2*x23/k21)/((1 + x1/k19 + x2/k22)*(1 + x22/k20 + x23/k23)) + (-1)*k17*k24/k25*(x2 - x3/k26)/(1 + x2/k25 + x3/k27) + (-1)*k17*k28 + (-2)*k17*k29)/k17,
  diff(x3, t) = (1*k17*k24/k25*(x2 - x3/k26)/(1 + x2/k25 + x3/k27) + (-1)*k17*k30*k1*x3/k2*x22/k3*(1 + x3/k2 + x22/k3 + k1*x3/k2*x22/k3)/((1 + x3/k2 + x22/k3 + k1*x3/k2*x22/k3)^2 + k4*((1 + k5*x22/k6)/(1 + x22/k6))^2*((1 + k7*x24/k8)/(1 + x24/k8))^2*((1 + k9*x26/k10 + k11*x4/k12)/(1 + x26/k10 + x4/k12))^2*(1 + k13*x22/k3)^2))/k17,
  diff(x4, t) = (1*k17*k30*k1*x3/k2*x22/k3*(1 + x3/k2 + x22/k3 + k1*x3/k2*x22/k3)/((1 + x3/k2 + x22/k3 + k1*x3/k2*x22/k3)^2 + k4*((1 + k5*x22/k6)/(1 + x22/k6))^2*((1 + k7*x24/k8)/(1 + x24/k8))^2*((1 + k9*x26/k10 + k11*x4/k12)/(1 + x26/k10 + x4/k12))^2*(1 + k13*x22/k3)^2) + (-1)*k17*k31/k32*(x4 - k15/(1 + k15)*x5*1/(1 + k15)*x5/k33)/(1 + x4/k32 + k15/(1 + k15)*x5/k34 + 1/(1 + k15)*x5/k35 + k15/(1 + k15)*x5*1/(1 + k15)*x5/(k34*k35) + x4*k15/(1 + k15)*x5/(k36*k32)))/k17,
  diff(x5, t) = (2*k17*k31/k32*(x4 - k15/(1 + k15)*x5*1/(1 + k15)*x5/k33)/(1 + x4/k32 + k15/(1 + k15)*x5/k34 + 1/(1 + k15)*x5/k35 + k15/(1 + k15)*x5*1/(1 + k15)*x5/(k34*k35) + x4*k15/(1 + k15)*x5/(k36*k32)) + (-1)*k17*(k37*k15/(1 + k15)*x5*x13/(k38*k39) - k40*x6*x14/(k41*k42))/((1 + k15/(1 + k15)*x5/k38 + x6/k41)*(1 + x13/k39 + x14/k42)) + (-1)*k17*k81/(k82*k83)*(1/(1 + k15)*x5*x14 - k94*x13/k84)/((1 + 1/(1 + k15)*x5/k82 + k94/k85)*(1 + x14/k83 + x13/k86)))/k17,
  diff(x6, t) = (1*k17*(k37*k15/(1 + k15)*x5*x13/(k38*k39) - k40*x6*x14/(k41*k42))/((1 + k15/(1 + k15)*x5/k38 + x6/k41)*(1 + x13/k39 + x14/k42)) + (-1)*k17*k43/(k44*k45)*(k46*x6*x23 - x7*x22)/((1 + x6/k47 + x7/k44)*(1 + x22/k45 + x23/k48)))/k17,
  diff(x7, t) = (1*k17*k43/(k44*k45)*(k46*x6*x23 - x7*x22)/((1 + x6/k47 + x7/k44)*(1 + x22/k45 + x23/k48)) + (-1)*k17*k49/k50*(x7 - x8/k51)/(1 + x7/k50 + x8/k52))/k17,
  diff(x8, t) = (1*k17*k49/k50*(x7 - x8/k51)/(1 + x7/k50 + x8/k52) + (-1)*k17*k53/k54*(x8 - x9/k55)/(1 + x8/k54 + x9/k56))/k17,
  diff(x9, t) = (1*k17*k53/k54*(x8 - x9/k55)/(1 + x8/k54 + x9/k56) + (-1)*k17*k57/(k58*k59)*(x9*x23 - x10*x22/k60)/((1 + x9/k58 + x10/k61)*(1 + x22/k62 + x23/k59)))/k17,
  diff(x10, t) = (1*k17*k57/(k58*k59)*(x9*x23 - x10*x22/k60)/((1 + x9/k58 + x10/k61)*(1 + x22/k62 + x23/k59)) + (-1)*k17*k63*x10^k64/k65^k64/(1 + x10^k64/k65^k64))/k17,
  diff(x11, t) = (1*k17*k63*x10^k64/k65^k64/(1 + x10^k64/k65^k64) + (-2)*k17*k66*x11 + (-1)*(-k17)*k71/(k72*k73)*(x13*k93 - x14*x11/k74)/(1 + x13/k72 + k75*k93/(k72*k73) + k76*x11/(k77*k78) + x14/k77 + x13*k93/(k72*k73) + k76*x13*x11/(k72*k77*k78) + k75*k93*x14/(k72*k73*k77) + x14*x11/(k77*k78) + x13*k93*x11/(k72*k73*k79) + k93*x14*x11/(k80*k77*k78)))/k17,
  diff(x12, t) = ((-1)*k17*k18/(k19*k20)*(x1*x22 - x2*x23/k21)/((1 + x1/k19 + x2/k22)*(1 + x22/k20 + x23/k23)) + (-1)*k17*k28 + (-1)*k17*k29 + (-1)*k17*k30*k1*x3/k2*x22/k3*(1 + x3/k2 + x22/k3 + k1*x3/k2*x22/k3)/((1 + x3/k2 + x22/k3 + k1*x3/k2*x22/k3)^2 + k4*((1 + k5*x22/k6)/(1 + x22/k6))^2*((1 + k7*x24/k8)/(1 + x24/k8))^2*((1 + k9*x26/k10 + k11*x4/k12)/(1 + x26/k10 + x4/k12))^2*(1 + k13*x22/k3)^2) + 1*k17*k43/(k44*k45)*(k46*x6*x23 - x7*x22)/((1 + x6/k47 + x7/k44)*(1 + x22/k45 + x23/k48)) + 1*k17*k57/(k58*k59)*(x9*x23 - x10*x22/k60)/((1 + x9/k58 + x10/k61)*(1 + x22/k62 + x23/k59)) + (-4)*k17*k66*x11 + (-1)*k17*k87*x22)/k17,
  diff(x13, t) = ((-1)*k17*(k37*k15/(1 + k15)*x5*x13/(k38*k39) - k40*x6*x14/(k41*k42))/((1 + k15/(1 + k15)*x5/k38 + x6/k41)*(1 + x13/k39 + x14/k42)) + (-3)*k17*k66*x11 + 1*(-k17)*k71/(k72*k73)*(x13*k93 - x14*x11/k74)/(1 + x13/k72 + k75*k93/(k72*k73) + k76*x11/(k77*k78) + x14/k77 + x13*k93/(k72*k73) + k76*x13*x11/(k72*k77*k78) + k75*k93*x14/(k72*k73*k77) + x14*x11/(k77*k78) + x13*k93*x11/(k72*k73*k79) + k93*x14*x11/(k80*k77*k78)) + 1*k17*k81/(k82*k83)*(1/(1 + k15)*x5*x14 - k94*x13/k84)/((1 + 1/(1 + k15)*x5/k82 + k94/k85)*(1 + x14/k83 + x13/k86)))/k17,
  diff(x14, t) = (1*k17*(k37*k15/(1 + k15)*x5*x13/(k38*k39) - k40*x6*x14/(k41*k42))/((1 + k15/(1 + k15)*x5/k38 + x6/k41)*(1 + x13/k39 + x14/k42)) + 3*k17*k66*x11 + (-1)*(-k17)*k71/(k72*k73)*(x13*k93 - x14*x11/k74)/(1 + x13/k72 + k75*k93/(k72*k73) + k76*x11/(k77*k78) + x14/k77 + x13*k93/(k72*k73) + k76*x13*x11/(k72*k77*k78) + k75*k93*x14/(k72*k73*k77) + x14*x11/(k77*k78) + x13*k93*x11/(k72*k73*k79) + k93*x14*x11/(k80*k77*k78)) + (-1)*k17*k81/(k82*k83)*(1/(1 + k15)*x5*x14 - k94*x13/k84)/((1 + 1/(1 + k15)*x5/k82 + k94/k85)*(1 + x14/k83 + x13/k86)))/k17,
  diff(x15, t) = 0,
  diff(x16, t) = 0,
  diff(x17, t) = 0,
  diff(x18, t) = 0,
  diff(x19, t) = 0,
  diff(x20, t) = 0,
  diff(x21, t) = 0,
  diff(x25, t) = 0/k17,
  diff(x26, t) = 0/k17 }