{ diff(x1, t) = ((-1)*k103*(k79*x6*x1 - k80*x2)/k103 + (-1)*k103*(k88*x1*x7 - k89*x4)/k103)/k103,
  diff(x2, t) = (1*k103*k74*x10*x3/k103 + (-1)*k103*(k75*x14*x2 - k76*x3)/k103 + 1*k103*(k79*x6*x1 - k80*x2)/k103)/k103,
  diff(x3, t) = ((-1)*k103*k74*x10*x3/k103 + 1*k103*(k75*x14*x2 - k76*x3)/k103 + (-1)*k103*k77*x3/k103 + 1*k103*k78*x36/k103)/k103,
  diff(x4, t) = 1*k103*(k88*x1*x7 - k89*x4)/k103/k103,
  diff(x5, t) = ((-1)*k103*k16*x19*x5/(x5 + k43)/k103 + 1*k103*k17*x39/(k44 + x39)/k103)/k103,
  diff(x6, t) = ((-1)*k103*(k79*x6*x1 - k80*x2)/k103 + (-1)*k103*k81*x6/k103 + 1*k103*(k82 + k83*(x32 + x7))/k103)/k103,
  diff(x7, t) = ((-1)*k103*(k84*x36*x7 - k85*x37)/k103 + (-1)*k103*(k88*x1*x7 - k89*x4)/k103 + 1*k103*k57/k103 + (-1)*k103*k90*x7/k103 + (-1)*k103*(k91*x7*x31 - k92*x32)/k103)/k103,
  diff(x8, t) = ((-1)*k103*k7*x52*x8/(x8 + k34)/k103 + (-1)*k103*k8*x51*x8/(x8 + k35)/k103 + 1*k103*k9*x25*x41/(k36 + x25)/k103 + 1*k103*k10*x41*x39/(k37 + x41)/k103)/k103,
  diff(x9, t) = ((-1)*k103*k18*x34*x9/(x9 + k45)/k103 + 1*k103*k67*x42/k103)/k103,
  diff(x10, t) = (1*k103*k71*x11*k59/k103 + (-1)*k103*k72*x10/k103)/k103,
  diff(x11, t) = ((-1)*k103*k71*x11*k59/k103 + 1*k103*k72*x10/k103)/k103,
  diff(x12, t) = (-1)*k103*(k65*x12*x35 - k66*x34)/k103/k103,
  diff(x13, t) = ((-1)*k103*k5*x46*x13/(x13 + k32)/k103 + 1*k103*k6*x21*x44/(x44 + k33)/k103)/k103,
  diff(x14, t) = ((-1)*k103*k21*x14*x44/k103 + (-1)*k103*k22*x14*x39/k103 + 1*k103*k70*x23/k103 + 1*k103*k23*x45/k103 + 1*k103*k74*x10*x3/k103 + (-1)*k103*(k75*x14*x2 - k76*x3)/k103)/k103,
  diff(x15, t) = ((-1)*k103*k3*x41*x15/(x15 + k30)/k103 + (-1)*k103*k60*x50*x15/(1 + ((x23 - x49)/k61)^2)/k103 + 1*k103*k4*x21*x46/(x46 + k31)/k103)/k103,
  diff(x16, t) = (1*k103*k64*x47/k103 + (-1)*k103*k11*x44*x16/(x16 + k38)/k103)/k103,
  diff(x17, t) = ((-1)*k103*k12*x34*x17/(x17 + k39)/k103 + (-1)*k103*k13*x52*x17/(x17 + k40)/k103)/k103,
  diff(x18, t) = ((-1)*k103*k14*x48*x18/(x18 + k41)/k103 + 1*k103*k15*x22*x19/(x19 + k42)/k103)/k103,
  diff(x19, t) = (1*k103*k14*x48*x18/(x18 + k41)/k103 + (-1)*k103*k15*x22*x19/(x19 + k42)/k103)/k103,
  diff(x20, t) = (1*k103*k56/(1 + (x14/k68)^(5/2))/k103 + (-1)*k103*k69*x20/k103)/k103,
  diff(x21, t) = 0/k103,
  diff(x22, t) = 0/k103,
  diff(x23, t) = ((-1)*k103*k62*x44*(x23 - x49)/k103 + 1*k103*k55*x49/k103 + (-1)*k103*k63*x23/k103)/k103,
  diff(x24, t) = (1*k103*k1*x25*x50/(x50 + k28)/k103 + 1*k103*k2*x39*x50/(x50 + k29)/k103 + (-1)*k103*k27*x52*x24/(x24 + k52)/k103 + (-1)*k103*k102*k59*x33*x24/(k53 + x24)/k103)/k103,
  diff(x25, t) = 0/k103,
  diff(x26, t) = ((-1)*k103*k19*x42*x26/(x26 + k46)/k103 + 1*k103*k20*x27*x51/(x51 + k47)/k103)/k103,
  diff(x27, t) = 0/k103,
  diff(x28, t) = ((-1)*k103*k25*x53*x28/(x28 + k50)/k103 + 1*k103*k58/k103 + 1*k103*k26*x29*x52/(x52 + k51)/k103)/k103,
  diff(x29, t) = 0/k103,
  diff(x30, t) = ((-1)*k103*(k97*x34 + k98 + k99*x20)/(1 + x44/k100)/k103 + 1*k103*k101*x53/k103 + 1*k103*k24*x47*x53/(x53 + k49)/k103)/k103,
  diff(x31, t) = (-1)*k103*(k91*x7*x31 - k92*x32)/k103/k103,
  diff(x32, t) = 1*k103*(k91*x7*x31 - k92*x32)/k103/k103,
  diff(x33, t) = (1*k103*k93*x32^2/(k48^2 + x32^2)/k103 + (-1)*k103*k95*x33/k103)/k103,
  diff(x34, t) = (1*k103*(k65*x12*x35 - k66*x34)/k103 + (-1)*k103*k94*x34/k103)/k103,
  diff(x35, t) = (1*k103*k54/k103 + (-1)*k103*(k65*x12*x35 - k66*x34)/k103 + (-1)*k103*k73*x35/k103)/k103,
  diff(x36, t) = (1*k103*k77*x3/k103 + (-1)*k103*k78*x36/k103 + (-1)*k103*(k84*x36*x7 - k85*x37)/k103 + 1*k103*k87*x38/k103)/k103,
  diff(x37, t) = (1*k103*(k84*x36*x7 - k85*x37)/k103 + (-1)*k103*k86*x37/k103)/k103,
  diff(x38, t) = (1*k103*k86*x37/k103 + (-1)*k103*k87*x38/k103)/k103,
  diff(x39, t) = (1*k103*k16*x19*x5/(x5 + k43)/k103 + (-1)*k103*k17*x39/(k44 + x39)/k103)/k103,
  diff(x40, t) = (1*k103*k87*x38/k103 + (-1)*k103*k96*x40/k103)/k103,
  diff(x41, t) = (1*k103*k7*x52*x8/(x8 + k34)/k103 + 1*k103*k8*x51*x8/(x8 + k35)/k103 + (-1)*k103*k9*x25*x41/(k36 + x25)/k103 + (-1)*k103*k10*x41*x39/(k37 + x41)/k103)/k103,
  diff(x42, t) = (1*k103*k18*x34*x9/(x9 + k45)/k103 + (-1)*k103*k67*x42/k103)/k103,
  diff(x43, t) = 0,
  diff(x44, t) = (1*k103*k5*x46*x13/(x13 + k32)/k103 + (-1)*k103*k6*x21*x44/(x44 + k33)/k103)/k103,
  diff(x45, t) = (1*k103*k21*x14*x44/k103 + 1*k103*k22*x14*x39/k103 + (-1)*k103*k23*x45/k103)/k103,
  diff(x46, t) = (1*k103*k3*x41*x15/(x15 + k30)/k103 + 1*k103*k60*x50*x15/(1 + ((x23 - x49)/k61)^2)/k103 + (-1)*k103*k4*x21*x46/(x46 + k31)/k103)/k103,
  diff(x47, t) = ((-1)*k103*k64*x47/k103 + 1*k103*k11*x44*x16/(x16 + k38)/k103)/k103,
  diff(x48, t) = (1*k103*k12*x34*x17/(x17 + k39)/k103 + 1*k103*k13*x52*x17/(x17 + k40)/k103)/k103,
  diff(x49, t) = (1*k103*k62*x44*(x23 - x49)/k103 + (-1)*k103*k55*x49/k103)/k103,
  diff(x50, t) = ((-1)*k103*k1*x25*x50/(x50 + k28)/k103 + (-1)*k103*k2*x39*x50/(x50 + k29)/k103 + 1*k103*k27*x52*x24/(x24 + k52)/k103 + 1*k103*k102*k59*x33*x24/(k53 + x24)/k103)/k103,
  diff(x51, t) = (1*k103*k19*x42*x26/(x26 + k46)/k103 + (-1)*k103*k20*x27*x51/(x51 + k47)/k103)/k103,
  diff(x52, t) = (1*k103*k25*x53*x28/(x28 + k50)/k103 + (-1)*k103*k26*x29*x52/(x52 + k51)/k103)/k103,
  diff(x53, t) = (1*k103*(k97*x34 + k98 + k99*x20)/(1 + x44/k100)/k103 + (-1)*k103*k101*x53/k103 + (-1)*k103*k24*x47*x53/(x53 + k49)/k103)/k103,
  diff(x54, t) = (1*k103*k63*x23/k103 + 1*k103*k69*x20/k103 + 1*k103*k73*x35/k103 + 1*k103*k81*x6/k103 + (-1)*k103*k57/k103 + 1*k103*k90*x7/k103 + 1*k103*k94*x34/k103 + 1*k103*k95*x33/k103 + 1*k103*k96*x40/k103 + (-1)*k103*k58/k103)/k103 }