{ diff(x1, t) = ((-1)*k104*(k80*x6*x1 - k81*x2)/k104 + (-1)*k104*(k89*x1*x7 - k90*x4)/k104)/k104,
  diff(x2, t) = (1*k104*k75*x10*x3/k104 + (-1)*k104*(k76*x14*x2 - k77*x3)/k104 + 1*k104*(k80*x6*x1 - k81*x2)/k104)/k104,
  diff(x3, t) = ((-1)*k104*k75*x10*x3/k104 + 1*k104*(k76*x14*x2 - k77*x3)/k104 + (-1)*k104*k78*x3/k104 + 1*k104*k79*x36/k104)/k104,
  diff(x4, t) = 1*k104*(k89*x1*x7 - k90*x4)/k104/k104,
  diff(x5, t) = ((-1)*k104*k16*x19*x5/(x5 + k43)/k104 + 1*k104*k17*x39/(k44 + x39)/k104)/k104,
  diff(x6, t) = ((-1)*k104*(k80*x6*x1 - k81*x2)/k104 + (-1)*k104*k82*x6/k104 + 1*k104*(k83 + k84*(x32 + x7))/k104)/k104,
  diff(x7, t) = ((-1)*k104*(k85*x36*x7 - k86*x37)/k104 + (-1)*k104*(k89*x1*x7 - k90*x4)/k104 + 1*k104*k57/k104 + (-1)*k104*k91*x7/k104 + (-1)*k104*(k92*x7*x31 - k93*x32)/k104)/k104,
  diff(x8, t) = ((-1)*k104*k7*x52*x8/(x8 + k34)/k104 + (-1)*k104*k8*x51*x8/(x8 + k35)/k104 + 1*k104*k9*x25*x41/(k36 + x25)/k104 + 1*k104*k10*x41*x39/(k37 + x41)/k104)/k104,
  diff(x9, t) = ((-1)*k104*k18*x34*x9/(x9 + k45)/k104 + 1*k104*k68*x42/k104)/k104,
  diff(x10, t) = (1*k104*k72*x11*k59/k104 + (-1)*k104*k73*x10/k104)/k104,
  diff(x11, t) = ((-1)*k104*k72*x11*k59/k104 + 1*k104*k73*x10/k104)/k104,
  diff(x12, t) = (-1)*k104*(k66*x12*x35 - k67*x34)/k104/k104,
  diff(x13, t) = ((-1)*k104*k5*x46*x13/(x13 + k32)/k104 + 1*k104*k6*x21*x44/(x44 + k33)/k104)/k104,
  diff(x14, t) = ((-1)*k104*k21*x14*x44/k104 + (-1)*k104*k22*x14*x39/k104 + 1*k104*k71*x23/k104 + 1*k104*k23*x45/k104 + 1*k104*k75*x10*x3/k104 + (-1)*k104*(k76*x14*x2 - k77*x3)/k104)/k104,
  diff(x15, t) = ((-1)*k104*k3*x41*x15/(x15 + k30)/k104 + (-1)*k104*k60*x50*x15/(1 + ((x23 - x49)/k61)^2)/k104 + 1*k104*k4*x21*x46/(x46 + k31)/k104)/k104,
  diff(x16, t) = (1*k104*k64*x47/k104 + (-1)*k104*k11*x44*x16/(x16 + k38)/k104)/k104,
  diff(x17, t) = ((-1)*k104*k12*x34*x17/(x17 + k39)/k104 + (-1)*k104*k13*x52*x17/(x17 + k40)/k104 + 1*k104*k65*x48/k104)/k104,
  diff(x18, t) = ((-1)*k104*k14*x48*x18/(x18 + k41)/k104 + 1*k104*k15*x22*x19/(x19 + k42)/k104)/k104,
  diff(x19, t) = (1*k104*k14*x48*x18/(x18 + k41)/k104 + (-1)*k104*k15*x22*x19/(x19 + k42)/k104)/k104,
  diff(x20, t) = (1*k104*k56/(1 + (x14/k69)^(5/2))/k104 + (-1)*k104*k70*x20/k104)/k104,
  diff(x21, t) = 0/k104,
  diff(x22, t) = 0/k104,
  diff(x23, t) = ((-1)*k104*k62*x44*(x23 - x49)/k104 + 1*k104*k55*x49/k104 + (-1)*k104*k63*x23/k104)/k104,
  diff(x24, t) = (1*k104*k1*x25*x50/(x50 + k28)/k104 + 1*k104*k2*x39*x50/(x50 + k29)/k104 + (-1)*k104*k27*x52*x24/(x24 + k52)/k104 + (-1)*k104*k103*k59*x33*x24/(k53 + x24)/k104)/k104,
  diff(x25, t) = 0/k104,
  diff(x26, t) = ((-1)*k104*k19*x42*x26/(x26 + k46)/k104 + 1*k104*k20*x27*x51/(x51 + k47)/k104)/k104,
  diff(x27, t) = 0/k104,
  diff(x28, t) = ((-1)*k104*k25*x53*x28/(x28 + k50)/k104 + 1*k104*k58/k104 + 1*k104*k26*x29*x52/(x52 + k51)/k104)/k104,
  diff(x29, t) = 0/k104,
  diff(x30, t) = ((-1)*k104*(k98*x34 + k99 + k100*x20)/(1 + x44/k101)/k104 + 1*k104*k102*x53/k104 + 1*k104*k24*x47*x53/(x53 + k49)/k104)/k104,
  diff(x31, t) = (-1)*k104*(k92*x7*x31 - k93*x32)/k104/k104,
  diff(x32, t) = 1*k104*(k92*x7*x31 - k93*x32)/k104/k104,
  diff(x33, t) = (1*k104*k94*x32^2/(k48^2 + x32^2)/k104 + (-1)*k104*k96*x33/k104)/k104,
  diff(x34, t) = (1*k104*(k66*x12*x35 - k67*x34)/k104 + (-1)*k104*k95*x34/k104)/k104,
  diff(x35, t) = (1*k104*k54/k104 + (-1)*k104*(k66*x12*x35 - k67*x34)/k104 + (-1)*k104*k74*x35/k104)/k104,
  diff(x36, t) = (1*k104*k78*x3/k104 + (-1)*k104*k79*x36/k104 + (-1)*k104*(k85*x36*x7 - k86*x37)/k104 + 1*k104*k88*x38/k104)/k104,
  diff(x37, t) = (1*k104*(k85*x36*x7 - k86*x37)/k104 + (-1)*k104*k87*x37/k104)/k104,
  diff(x38, t) = (1*k104*k87*x37/k104 + (-1)*k104*k88*x38/k104)/k104,
  diff(x39, t) = (1*k104*k16*x19*x5/(x5 + k43)/k104 + (-1)*k104*k17*x39/(k44 + x39)/k104)/k104,
  diff(x40, t) = (1*k104*k88*x38/k104 + (-1)*k104*k97*x40/k104)/k104,
  diff(x41, t) = (1*k104*k7*x52*x8/(x8 + k34)/k104 + 1*k104*k8*x51*x8/(x8 + k35)/k104 + (-1)*k104*k9*x25*x41/(k36 + x25)/k104 + (-1)*k104*k10*x41*x39/(k37 + x41)/k104)/k104,
  diff(x42, t) = (1*k104*k18*x34*x9/(x9 + k45)/k104 + (-1)*k104*k68*x42/k104)/k104,
  diff(x43, t) = 0,
  diff(x44, t) = (1*k104*k5*x46*x13/(x13 + k32)/k104 + (-1)*k104*k6*x21*x44/(x44 + k33)/k104)/k104,
  diff(x45, t) = (1*k104*k21*x14*x44/k104 + 1*k104*k22*x14*x39/k104 + (-1)*k104*k23*x45/k104)/k104,
  diff(x46, t) = (1*k104*k3*x41*x15/(x15 + k30)/k104 + 1*k104*k60*x50*x15/(1 + ((x23 - x49)/k61)^2)/k104 + (-1)*k104*k4*x21*x46/(x46 + k31)/k104)/k104,
  diff(x47, t) = ((-1)*k104*k64*x47/k104 + 1*k104*k11*x44*x16/(x16 + k38)/k104)/k104,
  diff(x48, t) = (1*k104*k12*x34*x17/(x17 + k39)/k104 + 1*k104*k13*x52*x17/(x17 + k40)/k104 + (-1)*k104*k65*x48/k104)/k104,
  diff(x49, t) = (1*k104*k62*x44*(x23 - x49)/k104 + (-1)*k104*k55*x49/k104)/k104,
  diff(x50, t) = ((-1)*k104*k1*x25*x50/(x50 + k28)/k104 + (-1)*k104*k2*x39*x50/(x50 + k29)/k104 + 1*k104*k27*x52*x24/(x24 + k52)/k104 + 1*k104*k103*k59*x33*x24/(k53 + x24)/k104)/k104,
  diff(x51, t) = (1*k104*k19*x42*x26/(x26 + k46)/k104 + (-1)*k104*k20*x27*x51/(x51 + k47)/k104)/k104,
  diff(x52, t) = (1*k104*k25*x53*x28/(x28 + k50)/k104 + (-1)*k104*k26*x29*x52/(x52 + k51)/k104)/k104,
  diff(x53, t) = (1*k104*(k98*x34 + k99 + k100*x20)/(1 + x44/k101)/k104 + (-1)*k104*k102*x53/k104 + (-1)*k104*k24*x47*x53/(x53 + k49)/k104)/k104,
  diff(x54, t) = (1*k104*k63*x23/k104 + 1*k104*k70*x20/k104 + 1*k104*k74*x35/k104 + 1*k104*k82*x6/k104 + (-1)*k104*k57/k104 + 1*k104*k91*x7/k104 + 1*k104*k95*x34/k104 + 1*k104*k96*x33/k104 + 1*k104*k97*x40/k104 + (-1)*k104*k58/k104)/k104 }