{ diff(x1, t) = ((-1)*k62*(k29/(k6/(83/50))*x1*x3 - k29*x6) + (-1)*k62*(k1*k21/k2*x1 - k21*x2) + (-1)*k62*(k29/(k7*k6/(83/50))*x1*x4 - k29*x11) + (-1)*k62*(k29/(k8*k6/(83/50))*x1*x5 - k29*x10) + (-1)*(k61/(k59/(83/50))*x1*x21 - k56*x17))/k62,
  diff(x2, t) = (1*k62*(k1*k21/k2*x1 - k21*x2) + (-1)*k62*(k29/(k3*k6/(83/50))*x2*x3 - k29*x8) + (-1)*k62*(k29/(k4*k7*k6/(83/50))*x2*x4 - k29*x9) + (-1)*k62*(k29/(k5*k8*k6/(83/50))*x2*x5 - k29*x12) + (-1)*(k61/(k59/(83/50))*x2*x21 - k56*x13))/k62,
  diff(x3, t) = ((-1)*k62*(k29/(k6/(83/50))*x1*x3 - k29*x6) + (-1)*k62*(k29/(k3*k6/(83/50))*x2*x3 - k29*x8) + (-1)*k62*k48*x3 + 1*k62*(83/50*13/100*x5*x7 - 83/50*13/100/(83/50)*k51*x3) + (-1)*k62*(k29/(k3*k6/(83/50))*x13*x3 - k29*x14) + (-1)*k62*(k29/(k6/(83/50))*x17*x3 - k29*x18))/k62,
  diff(x4, t) = ((-1)*k62*(k29/(k7*k6/(83/50))*x1*x4 - k29*x11) + (-1)*k62*(k29/(k4*k7*k6/(83/50))*x2*x4 - k29*x9) + 1*k62*k48*x3 + (-1)*k62*k10*x4 + 1*k62*k48*x5 + (-1)*k62*(k29/(k4*k7*k6/(83/50))*x13*x4 - k29*x16) + (-1)*k62*(k29/(k7*k6/(83/50))*x17*x4 - k29*x20))/k62,
  diff(x5, t) = ((-1)*k62*(k29/(k8*k6/(83/50))*x1*x5 - k29*x10) + (-1)*k62*(k29/(k5*k8*k6/(83/50))*x2*x5 - k29*x12) + 1*k62*k10*x4 + (-1)*k62*(83/50*13/100*x5*x7 - 83/50*13/100/(83/50)*k51*x3) + (-1)*k62*k48*x5 + (-1)*k62*(k29/(k8*k6/(83/50))*x13*x5 - k29*x15) + (-1)*k62*(k29/(k8*k6/(83/50))*x17*x5 - k29*x19))/k62,
  diff(x6, t) = (1*k62*(k29/(k6/(83/50))*x1*x3 - k29*x6) + (-1)*k62*(k1*k21/(k3*k2)*x6 - k21*x8) + (-1)*k62*k12*x6 + 1*k62*(83/50*13/100*x10*x7 - 83/50*13/100/(83/50)*k51/k8*x6) + (-1)*k62*(k1*k21/(k3*k2)*x6 - k21*x8) + (-1)*(k61/(k59/(83/50))*x6*x21 - k56*x18))/k62,
  diff(x7, t) = (1*k62*k48*x3 + (-1)*k62*(83/50*13/100*x5*x7 - 83/50*13/100/(83/50)*k51*x3) + 1*k62*k12*x6 + 1*k62*k13*x8 + (-1)*k62*(83/50*13/100*x10*x7 - 83/50*13/100/(83/50)*k51/k8*x6) + (-1)*k62*(83/50*13/100*x12*x7 - k3*83/50*13/100/(83/50)*k51/(k5*k8)*x8) + (-1)*k62*(83/50*13/100*x15*x7 - k3*83/50*13/100/(83/50)*k51/(k5*k8)*x14) + (-1)*k62*(83/50*13/100*x19*x7 - 83/50*13/100/(83/50)*k51/k8*x18) + 1*k62*k13*x14 + 1*k62*k12*x18)/k62,
  diff(x8, t) = (1*k62*(k29/(k3*k6/(83/50))*x2*x3 - k29*x8) + 1*k62*(k1*k21/(k3*k2)*x6 - k21*x8) + (-1)*k62*k13*x8 + 1*k62*(83/50*13/100*x12*x7 - k3*83/50*13/100/(83/50)*k51/(k5*k8)*x8) + 1*k62*(k1*k21/(k3*k2)*x6 - k21*x8) + (-1)*(k61/(k59/(83/50))*x8*x21 - k56*x14))/k62,
  diff(x9, t) = (1*k62*(k29/(k4*k7*k6/(83/50))*x2*x4 - k29*x9) + 1*k62*(k1*k21/(k4*k2)*x11 - k21*x9) + 1*k62*k13*x8 + (-1)*k62*k16*x9 + 1*k62*k13*x12 + (-1)*(k61/(k59/(83/50))*x9*x21 - k56*x16))/k62,
  diff(x10, t) = (1*k62*(k29/(k8*k6/(83/50))*x1*x5 - k29*x10) + 1*k62*k16*x11 + (-1)*k62*(83/50*13/100*x10*x7 - 83/50*13/100/(83/50)*k51/k8*x6) + (-1)*k62*(k1*k21/(k5*k2)*x10 - k21*x12) + (-1)*k62*k12*x10 + (-1)*(k61/(k59/(83/50))*x10*x21 - k56*x19))/k62,
  diff(x11, t) = (1*k62*(k29/(k7*k6/(83/50))*x1*x4 - k29*x11) + (-1)*k62*(k1*k21/(k4*k2)*x11 - k21*x9) + 1*k62*k12*x6 + (-1)*k62*k16*x11 + 1*k62*k12*x10 + (-1)*(k61/(k59/(83/50))*x11*x21 - k56*x20))/k62,
  diff(x12, t) = (1*k62*(k29/(k5*k8*k6/(83/50))*x2*x5 - k29*x12) + 1*k62*k16*x9 + (-1)*k62*(83/50*13/100*x12*x7 - k3*83/50*13/100/(83/50)*k51/(k5*k8)*x8) + 1*k62*(k1*k21/(k5*k2)*x10 - k21*x12) + (-1)*k62*k13*x12 + (-1)*(k61/(k59/(83/50))*x12*x21 - k56*x15))/k62,
  diff(x13, t) = ((-1)*k62*(k29/(k3*k6/(83/50))*x13*x3 - k29*x14) + (-1)*k62*(k29/(k8*k6/(83/50))*x13*x5 - k29*x15) + (-1)*k62*(k29/(k4*k7*k6/(83/50))*x13*x4 - k29*x16) + 1*k62*(k1*k21/k2*x17 - k21*x13) + 1*(k61/(k59/(83/50))*x2*x21 - k56*x13))/k62,
  diff(x14, t) = (1*k62*(83/50*13/100*x15*x7 - k3*83/50*13/100/(83/50)*k51/(k5*k8)*x14) + 1*k62*(k29/(k3*k6/(83/50))*x13*x3 - k29*x14) + (-1)*k62*k13*x14 + 1*(k61/(k59/(83/50))*x8*x21 - k56*x14))/k62,
  diff(x15, t) = ((-1)*k62*(83/50*13/100*x15*x7 - k3*83/50*13/100/(83/50)*k51/(k5*k8)*x14) + 1*k62*(k29/(k8*k6/(83/50))*x13*x5 - k29*x15) + 1*k62*(k1*k21/(k5*k2)*x19 - k21*x15) + (-1)*k62*k13*x15 + 1*(k61/(k59/(83/50))*x12*x21 - k56*x15) + 1*k62*k60*x16)/k62,
  diff(x16, t) = (1*k62*(k29/(k4*k7*k6/(83/50))*x13*x4 - k29*x16) + 1*k62*(k1*k21/(k4*k2)*x20 - k21*x16) + 1*k62*k13*x14 + 1*k62*k13*x15 + 1*(k61/(k59/(83/50))*x9*x21 - k56*x16) + (-1)*k62*k60*x16)/k62,
  diff(x17, t) = ((-1)*k62*(k1*k21/k2*x17 - k21*x13) + (-1)*k62*(k29/(k6/(83/50))*x17*x3 - k29*x18) + (-1)*k62*(k29/(k8*k6/(83/50))*x17*x5 - k29*x19) + (-1)*k62*(k29/(k7*k6/(83/50))*x17*x4 - k29*x20) + 1*(k61/(k59/(83/50))*x1*x21 - k56*x17))/k62,
  diff(x18, t) = (1*k62*(83/50*13/100*x19*x7 - 83/50*13/100/(83/50)*k51/k8*x18) + 1*k62*(k29/(k6/(83/50))*x17*x3 - k29*x18) + (-1)*k62*k12*x18 + 1*(k61/(k59/(83/50))*x6*x21 - k56*x18))/k62,
  diff(x19, t) = ((-1)*k62*(83/50*13/100*x19*x7 - 83/50*13/100/(83/50)*k51/k8*x18) + (-1)*k62*(k1*k21/(k5*k2)*x19 - k21*x15) + 1*k62*(k29/(k8*k6/(83/50))*x17*x5 - k29*x19) + (-1)*k62*k12*x19 + 1*(k61/(k59/(83/50))*x10*x21 - k56*x19) + 1*k62*k53*x20)/k62,
  diff(x20, t) = ((-1)*k62*(k1*k21/(k4*k2)*x20 - k21*x16) + 1*k62*(k29/(k7*k6/(83/50))*x17*x4 - k29*x20) + 1*k62*k12*x18 + 1*k62*k12*x19 + 1*(k61/(k59/(83/50))*x11*x21 - k56*x20) + (-1)*k62*k53*x20)/k62,
  diff(x21, t) = ((-1)*(k61/(k59/(83/50))*x1*x21 - k56*x17) + (-1)*(k61/(k59/(83/50))*x2*x21 - k56*x13) + (-1)*(k61/(k59/(83/50))*x6*x21 - k56*x18) + (-1)*(k61/(k59/(83/50))*x8*x21 - k56*x14) + (-1)*(k61/(k59/(83/50))*x11*x21 - k56*x20) + (-1)*(k61/(k59/(83/50))*x9*x21 - k56*x16) + (-1)*(k61/(k59/(83/50))*x10*x21 - k56*x19) + (-1)*(k61/(k59/(83/50))*x12*x21 - k56*x15))/k63 }