{ diff(x1, t) = (1*k1*k4*k96*k95/(k3*k2 + k3*k96 + k2*k95 + k96*k95) + (-1)*k1*k6*x1/(k5 + x1))/k1,
  diff(x2, t) = 0,
  diff(x3, t) = (1*k1*k4*k96*k95/(k3*k2 + k3*k96 + k2*k95 + k96*k95) + 1*k1*k6*x1/(k5 + x1) + 1*k1*k14*x7*k104/(k13*k12 + k13*k104 + k12*x7 + x7*k104) + 1*k1*k17*x8*k95/(k15*k16 + k15*k95 + k16*x8 + k95*x8) + 1*k1*k19*x9/(k18 + x9) + 1*k1*k29*x16/(k28 + x16) + 1*k1*k31*x16/(k30 + x16) + 1*k1*k38*x22*x12*k104/(k36*k37*k35 + k36*(x12 + k104) + k37*(x22 + k104) + k35*(x12 + k104) + x22*x12*k104) + 1*k1*k46*x24*x12*k104/(k45*(1 + x23/k44)*k43*k42 + k45*(x12 + k104) + k43*(x24 + k104) + k42*(x24 + x12) + x24*x12*k104) + 1*k1*k83*x21*x15/(k81*k82 + k82*x21 + k81*x15 + x21*x15) + (-1)*k1*k87*x35*x39*x3/(k86*k85*k84 + k86*(x39 + x3) + k85*(x35 + x3) + k84*(x39 + x35) + x35*x39*x3) + 1*k1*k94*k104*x51/(k92*k93 + k92*x51 + k93*k104 + k104*x51))/k1,
  diff(x4, t) = (1*k1*k6*x1/(k5 + x1) + (-1)*k1*k8*x4/(k7 + x4))/k1,
  diff(x5, t) = 0,
  diff(x6, t) = (1*k1*k8*x4/(k7 + x4) + (-1)*k1*k11*x6*k105/(k9*k10 + k9*k105 + k10*x6 + x6*k105))/k1,
  diff(x7, t) = (1*k1*k11*x6*k105/(k9*k10 + k9*k105 + k10*x6 + x6*k105) + (-1)*k1*k14*x7*k104/(k13*k12 + k13*k104 + k12*x7 + x7*k104))/k1,
  diff(x8, t) = (1*k1*k14*x7*k104/(k13*k12 + k13*k104 + k12*x7 + x7*k104) + (-1)*k1*k17*x8*k95/(k15*k16 + k15*k95 + k16*x8 + k95*x8))/k1,
  diff(x9, t) = (1*k1*k17*x8*k95/(k15*k16 + k15*k95 + k16*x8 + k95*x8) + (-1)*k1*k19*x9/(k18 + x9))/k1,
  diff(x10, t) = (1*k1*k19*x9/(k18 + x9) + (-1)*k1*k22*x10*k97/(k20*k21 + k20*k97 + k21*x10 + x10*k97))/k1,
  diff(x11, t) = 0,
  diff(x12, t) = (1*k1*k22*x10*k97/(k20*k21 + k20*k97 + k21*x10 + x10*k97) + (-1)*k1*k38*x22*x12*k104/(k36*k37*k35 + k36*(x12 + k104) + k37*(x22 + k104) + k35*(x12 + k104) + x22*x12*k104) + (-1)*k1*k46*x24*x12*k104/(k45*(1 + x23/k44)*k43*k42 + k45*(x12 + k104) + k43*(x24 + k104) + k42*(x24 + x12) + x24*x12*k104))/k1,
  diff(x13, t) = (1*k1*k22*x10*k97/(k20*k21 + k20*k97 + k21*x10 + x10*k97) + (-1)*k1*k24*x13/(k23 + x13))/k1,
  diff(x14, t) = 1*k1*k24*x13/(k23 + x13)/k1,
  diff(x15, t) = (1*k1*k24*x13/(k23 + x13) + (-1)*k1*k83*x21*x15/(k81*k82 + k82*x21 + k81*x15 + x21*x15))/k1,
  diff(x16, t) = (1*k1*k27*k98/(k25*(1 + x24/k26) + k98) + (-1)*k1*k29*x16/(k28 + x16) + (-1)*k1*k31*x16/(k30 + x16))/k1,
  diff(x17, t) = 0,
  diff(x18, t) = (1*k1*k29*x16/(k28 + x16) + (-1)*k1*k34*k104*x18/(k32*k33 + k33*k104 + k32*x18 + k104*x18))/k1,
  diff(x19, t) = 1*k1*k29*x16/(k28 + x16)/k1,
  diff(x20, t) = 1*k1*k31*x16/(k30 + x16)/k1,
  diff(x21, t) = (1*k1*k34*k104*x18/(k32*k33 + k33*k104 + k32*x18 + k104*x18) + (-1)*k1*k83*x21*x15/(k81*k82 + k82*x21 + k81*x15 + x21*x15))/k1,
  diff(x22, t) = ((-1)*k1*k38*x22*x12*k104/(k36*k37*k35 + k36*(x12 + k104) + k37*(x22 + k104) + k35*(x12 + k104) + x22*x12*k104) + 1*k1*k83*x21*x15/(k81*k82 + k82*x21 + k81*x15 + x21*x15))/k1,
  diff(x23, t) = (1*k1*k38*x22*x12*k104/(k36*k37*k35 + k36*(x12 + k104) + k37*(x22 + k104) + k35*(x12 + k104) + x22*x12*k104) + (-1)*k1*k41*x23*k105/(k39*k40 + k39*k105 + k40*x23 + x23*k105) + 1*k1*k64*x28*k102/(k63*(1 + x23/k62)*k61 + k63*k102 + k61*x28 + x28*k102))/k1,
  diff(x24, t) = (1*k1*k41*x23*k105/(k39*k40 + k39*k105 + k40*x23 + x23*k105) + (-1)*k1*k46*x24*x12*k104/(k45*(1 + x23/k44)*k43*k42 + k45*(x12 + k104) + k43*(x24 + k104) + k42*(x24 + x12) + x24*x12*k104))/k1,
  diff(x25, t) = (1*k1*k46*x24*x12*k104/(k45*(1 + x23/k44)*k43*k42 + k45*(x12 + k104) + k43*(x24 + k104) + k42*(x24 + x12) + x24*x12*k104) + (-1)*k1*k50*x25*k100/(k49*(1 + x24/k47)*k48 + k49*k100 + k48*x25 + x25*k100) + 1*k1*k60*x29*k101/(k59*k58 + k59*k101 + k58*x29 + x29*k101) + 1*k1*k71*x35*k103/(k69*k70 + k69*k103 + k70*x35 + x35*k103) + 1*k1*k74*x35*x41/(k72*k73 + k72*x41 + k73*x35 + x35*x41) + (-1)*k1*k77*x25*x45/(k76*k75 + k76*x45 + k75*x25 + x25*x45) + 1*k1*k87*x35*x39*x3/(k86*k85*k84 + k86*(x39 + x3) + k85*(x35 + x3) + k84*(x39 + x35) + x35*x39*x3))/k1,
  diff(x26, t) = 0,
  diff(x27, t) = 0,
  diff(x28, t) = (1*k1*k50*x25*k100/(k49*(1 + x24/k47)*k48 + k49*k100 + k48*x25 + x25*k100) + (-1)*k1*k57*x28*k105/(k55*(1 + x23/k54)*k56 + k55*k105 + k56*x28 + x28*k105) + (-1)*k1*k64*x28*k102/(k63*(1 + x23/k62)*k61 + k63*k102 + k61*x28 + x28*k102) + (-1)*k1*k68*x28*x41/(k66*(1 + x23/k65)*k67 + k66*x41 + k67*x28 + x28*x41) + 1*k1*k77*x25*x45/(k76*k75 + k76*x45 + k75*x25 + x25*x45))/k1,
  diff(x29, t) = (1*k1*k57*x28*k105/(k55*(1 + x23/k54)*k56 + k55*k105 + k56*x28 + x28*k105) + (-1)*k1*k60*x29*k101/(k59*k58 + k59*k101 + k58*x29 + x29*k101))/k1,
  diff(x30, t) = 0,
  diff(x31, t) = 1*k1*k60*x29*k101/(k59*k58 + k59*k101 + k58*x29 + x29*k101)/k1,
  diff(x32, t) = 1*k1*k64*x28*k102/(k63*(1 + x23/k62)*k61 + k63*k102 + k61*x28 + x28*k102)/k1,
  diff(x33, t) = 0,
  diff(x34, t) = (1*k1*k68*x28*x41/(k66*(1 + x23/k65)*k67 + k66*x41 + k67*x28 + x28*x41) + (-1)*k1*(k88*x34 - k89*x35) + (-1)*k1*k91*x34/(k90 + x34) + 1*k1*k94*k104*x51/(k92*k93 + k92*x51 + k93*k104 + k104*x51))/k1,
  diff(x35, t) = ((-1)*k1*k71*x35*k103/(k69*k70 + k69*k103 + k70*x35 + x35*k103) + (-1)*k1*k74*x35*x41/(k72*k73 + k72*x41 + k73*x35 + x35*x41) + (-1)*k1*k87*x35*x39*x3/(k86*k85*k84 + k86*(x39 + x3) + k85*(x35 + x3) + k84*(x39 + x35) + x35*x39*x3) + 1*k1*(k88*x34 - k89*x35))/k1,
  diff(x36, t) = 1*k1*k71*x35*k103/(k69*k70 + k69*k103 + k70*x35 + x35*k103)/k1,
  diff(x37, t) = 0,
  diff(x38, t) = (1*k1*k53*x44*k99/(k52*k51 + k52*k99 + k51*x44 + x44*k99) + 1*k1*k74*x35*x41/(k72*k73 + k72*x41 + k73*x35 + x35*x41))/k1,
  diff(x39, t) = (1*k1*k14*x7*k104/(k13*k12 + k13*k104 + k12*x7 + x7*k104) + 1*k1*k38*x22*x12*k104/(k36*k37*k35 + k36*(x12 + k104) + k37*(x22 + k104) + k35*(x12 + k104) + x22*x12*k104) + 1*k1*k46*x24*x12*k104/(k45*(1 + x23/k44)*k43*k42 + k45*(x12 + k104) + k43*(x24 + k104) + k42*(x24 + x12) + x24*x12*k104) + (-1)*k1*k87*x35*x39*x3/(k86*k85*k84 + k86*(x39 + x3) + k85*(x35 + x3) + k84*(x39 + x35) + x35*x39*x3) + 1*k1*k94*k104*x51/(k92*k93 + k92*x51 + k93*k104 + k104*x51))/k1,
  diff(x40, t) = 0,
  diff(x41, t) = (1*k1*k11*x6*k105/(k9*k10 + k9*k105 + k10*x6 + x6*k105) + 1*k1*k41*x23*k105/(k39*k40 + k39*k105 + k40*x23 + x23*k105) + 1*k1*k57*x28*k105/(k55*(1 + x23/k54)*k56 + k55*k105 + k56*x28 + x28*k105) + (-1)*k1*k68*x28*x41/(k66*(1 + x23/k65)*k67 + k66*x41 + k67*x28 + x28*x41) + (-1)*k1*k74*x35*x41/(k72*k73 + k72*x41 + k73*x35 + x35*x41))/k1,
  diff(x42, t) = 0,
  diff(x43, t) = 1*k1*k34*k104*x18/(k32*k33 + k33*k104 + k32*x18 + k104*x18)/k1,
  diff(x44, t) = ((-1)*k1*k53*x44*k99/(k52*k51 + k52*k99 + k51*x44 + x44*k99) + 1*k1*k80*k107*k106/(k79*k78 + k79*k106 + k78*k107 + k107*k106))/k1,
  diff(x45, t) = (1*k1*k53*x44*k99/(k52*k51 + k52*k99 + k51*x44 + x44*k99) + (-1)*k1*k77*x25*x45/(k76*k75 + k76*x45 + k75*x25 + x25*x45))/k1,
  diff(x46, t) = 0,
  diff(x47, t) = 1*k1*k80*k107*k106/(k79*k78 + k79*k106 + k78*k107 + k107*k106)/k1,
  diff(x48, t) = 0,
  diff(x49, t) = 1*k1*k77*x25*x45/(k76*k75 + k76*x45 + k75*x25 + x25*x45)/k1,
  diff(x50, t) = (1*k1*k27*k98/(k25*(1 + x24/k26) + k98) + 1*k1*k87*x35*x39*x3/(k86*k85*k84 + k86*(x39 + x3) + k85*(x35 + x3) + k84*(x39 + x35) + x35*x39*x3))/k1,
  diff(x51, t) = (1*k1*k91*x34/(k90 + x34) + (-1)*k1*k94*k104*x51/(k92*k93 + k92*x51 + k93*k104 + k104*x51))/k1 }