{ diff(x1, t) = 0,
  diff(x2, t) = ((-1)*(k1*k94*x2 - k2*x3) + (-1)*(k10*x2 - k11*x6) + 1*k21)/k91,
  diff(x3, t) = (1*(k1*k94*x2 - k2*x3) + (-2)*(k4*x3*x3 - k3*x4))/k92,
  diff(x4, t) = (1*(k4*x3*x3 - k3*x4) + (-1)*(k5*x4 - k6*x5))/k92,
  diff(x5, t) = (1*(k5*x4 - k6*x5) + (-1)*k12*x5 + (-1)*(k13*x5*x14 - k14*x15))/k92,
  diff(x6, t) = (1*(k10*x2 - k11*x6) + (-1)*(k15*x6*x16 - k16*x10) + (-1)*k87*x6)/k92,
  diff(x7, t) = (1*(k7*x23*x12 - k8*x7) + (-1)*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x7)/k92,
  diff(x8, t) = (1*k12*x5 + 1*(k5*x11 - k6*x8) + (-1)*(k22*x8*x14 - k23*x17) + (-1)*k87*x8)/k92,
  diff(x9, t) = (1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x7 + (-1)*k24*x9 + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x88 + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x89 + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x90 + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x91 + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x92 + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x93 + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x94)/k92,
  diff(x10, t) = (1*(k15*x6*x16 - k16*x10) + (-2)*(k4*x10*x10 - k3*x11))/k92,
  diff(x11, t) = (1*(k4*x10*x10 - k3*x11) + (-1)*(k5*x11 - k6*x8))/k92,
  diff(x12, t) = ((-1)*(k7*x23*x12 - k8*x7) + 1*k24*x9 + (-1)*(k7*x25*x12 - k8*x88) + (-1)*(k7*x27*x12 - k8*x89) + (-1)*(k7*x29*x12 - k8*x90) + (-1)*(k7*x34*x12 - k8*x91) + (-1)*(k7*x35*x12 - k8*x92) + (-1)*(k7*x36*x12 - k8*x93) + (-1)*(k7*x37*x12 - k8*x94))/k92,
  diff(x13, t) = 1*k88*x16/k93,
  diff(x14, t) = ((-1)*(k13*x5*x14 - k14*x15) + (-1)*(k22*x8*x14 - k23*x17))/k92,
  diff(x15, t) = (1*(k13*x5*x14 - k14*x15) + (-1)*(k26*x22*x15 - k25*x23) + (-1)*(k37*x31*x15 - k38*x32) + 1*(k50*x35 - k49*x15*x38) + 1*(k53*x25 - k54*x15*x30) + 1*(k59*x33 - k60*x15*x40) + 1*(k59*x34 - k60*x15*x39) + (-1)*(k10*x15 - k11*x17))/k93,
  diff(x16, t) = ((-1)*(k15*x6*x16 - k16*x10) + (-1)*k88*x16)/k92,
  diff(x17, t) = (1*(k22*x8*x14 - k23*x17) + (-1)*(k26*x17*x22 - k25*x18) + (-1)*(k37*x31*x17 - k38*x63) + 1*(k50*x66 - k49*x17*x38) + 1*(k53*x19 - k54*x17*x30) + 1*(k59*x64 - k60*x17*x40) + 1*(k59*x65 - k60*x17*x39) + 1*(k10*x15 - k11*x17))/k92,
  diff(x18, t) = (1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x7 + 1*k12*x23 + 1*(k26*x17*x22 - k25*x18) + (-1)*(k28*x24*x18 - k27*x19))/k92,
  diff(x19, t) = (1*(k28*x24*x18 - k27*x19) + (-1)*(k30*x26*x19 - k29*x20) + 1*(k32*x20 - k31*x69*x19) + (-1)*(k34*x71*x19 - k33*x21) + 1*(k35*x21 - k36*x19*x26) + (-1)*(k53*x19 - k54*x17*x30) + 1*(k10*x25 - k11*x19) + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x88)/k92,
  diff(x20, t) = (1*(k30*x26*x19 - k29*x20) + (-1)*(k32*x20 - k31*x69*x19) + 1*(k10*x27 - k11*x20) + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x89)/k92,
  diff(x21, t) = (1*(k34*x71*x19 - k33*x21) + (-1)*(k35*x21 - k36*x19*x26) + 1*(k10*x29 - k11*x21) + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x90)/k92,
  diff(x22, t) = ((-1)*(k26*x22*x15 - k25*x23) + (-1)*(k41*x22*x33 - k42*x34) + 1*(k55*x30 - k56*x24*x22) + (-1)*(k41*x22*x40 - k42*x39) + (-1)*(k26*x17*x22 - k25*x18) + (-1)*(k41*x22*x64 - k42*x65))/k92,
  diff(x23, t) = ((-1)*(k7*x23*x12 - k8*x7) + (-1)*k12*x23 + 1*(k26*x22*x15 - k25*x23) + (-1)*(k28*x24*x23 - k27*x25))/k92,
  diff(x24, t) = ((-1)*(k28*x24*x23 - k27*x25) + (-1)*(k44*x24*x34 - k43*x35) + 1*(k55*x30 - k56*x24*x22) + (-1)*(k61*x24*x39 - k62*x38) + (-1)*(k28*x24*x18 - k27*x19) + (-1)*(k44*x24*x65 - k43*x66))/k92,
  diff(x25, t) = (1*(k28*x24*x23 - k27*x25) + (-1)*(k30*x26*x25 - k29*x27) + 1*(k32*x27 - k31*x28*x25) + (-1)*(k34*x25*x43 - k33*x29) + 1*(k35*x29 - k36*x25*x26) + (-1)*(k53*x25 - k54*x15*x30) + (-1)*(k10*x25 - k11*x19) + (-1)*(k7*x25*x12 - k8*x88))/k92,
  diff(x26, t) = ((-1)*(k30*x26*x25 - k29*x27) + 1*(k35*x29 - k36*x25*x26) + (-1)*(k30*x26*x35 - k29*x36) + 1*(k35*x37 - k36*x35*x26) + (-1)*(k30*x26*x19 - k29*x20) + 1*(k35*x21 - k36*x19*x26) + (-1)*(k30*x26*x66 - k29*x67) + 1*(k35*x68 - k36*x66*x26))/k92,
  diff(x27, t) = (1*(k30*x26*x25 - k29*x27) + (-1)*(k32*x27 - k31*x28*x25) + (-1)*(k10*x27 - k11*x20) + (-1)*(k7*x27*x12 - k8*x89))/k92,
  diff(x28, t) = (1*(k32*x27 - k31*x28*x25) + 1*(k32*x36 - k31*x35*x28) + (-1)*(k45*x28*x41 - k46*x42))/k92,
  diff(x29, t) = (1*(k34*x25*x43 - k33*x29) + (-1)*(k35*x29 - k36*x25*x26) + (-1)*(k10*x29 - k11*x21) + (-1)*(k7*x29*x12 - k8*x90))/k92,
  diff(x30, t) = (1*(k51*x38 - k52*x40*x30) + 1*(k53*x25 - k54*x15*x30) + (-1)*(k55*x30 - k56*x24*x22) + (-1)*(k64*x30*x33 - k63*x35) + 1*(k53*x19 - k54*x17*x30) + (-1)*(k64*x30*x64 - k63*x66))/k92,
  diff(x31, t) = ((-1)*(k37*x31*x15 - k38*x32) + 1*k57*x40/(k58 + x40) + (-1)*(k37*x31*x17 - k38*x63))/k92,
  diff(x32, t) = (1*(k37*x31*x15 - k38*x32) + (-1)*(k39*x32 - k40*x33) + (-1)*(k10*x32 - k11*x63))/k92,
  diff(x33, t) = (1*(k39*x32 - k40*x33) + (-1)*(k41*x22*x33 - k42*x34) + (-1)*(k59*x33 - k60*x15*x40) + (-1)*(k64*x30*x33 - k63*x35) + (-1)*(k10*x33 - k11*x64))/k92,
  diff(x34, t) = (1*(k41*x22*x33 - k42*x34) + (-1)*(k44*x24*x34 - k43*x35) + (-1)*(k59*x34 - k60*x15*x39) + (-1)*(k10*x34 - k11*x65) + (-1)*(k7*x34*x12 - k8*x91))/k92,
  diff(x35, t) = (1*(k44*x24*x34 - k43*x35) + (-1)*(k30*x26*x35 - k29*x36) + 1*(k32*x36 - k31*x35*x28) + (-1)*(k34*x35*x43 - k33*x37) + 1*(k35*x37 - k36*x35*x26) + (-1)*(k50*x35 - k49*x15*x38) + 1*(k64*x30*x33 - k63*x35) + (-1)*(k10*x35 - k11*x66) + (-1)*(k7*x35*x12 - k8*x92))/k92,
  diff(x36, t) = (1*(k30*x26*x35 - k29*x36) + (-1)*(k32*x36 - k31*x35*x28) + (-1)*(k10*x36 - k11*x67) + (-1)*(k7*x36*x12 - k8*x93))/k92,
  diff(x37, t) = (1*(k34*x35*x43 - k33*x37) + (-1)*(k35*x37 - k36*x35*x26) + (-1)*(k10*x37 - k11*x68) + (-1)*(k7*x37*x12 - k8*x94))/k92,
  diff(x38, t) = (1*(k50*x35 - k49*x15*x38) + (-1)*(k51*x38 - k52*x40*x30) + 1*(k61*x24*x39 - k62*x38) + 1*(k50*x66 - k49*x17*x38))/k92,
  diff(x39, t) = (1*(k41*x22*x40 - k42*x39) + 1*(k59*x34 - k60*x15*x39) + (-1)*(k61*x24*x39 - k62*x38) + 1*(k59*x65 - k60*x17*x39))/k92,
  diff(x40, t) = (1*(k51*x38 - k52*x40*x30) + (-1)*k57*x40/(k58 + x40) + 1*(k59*x33 - k60*x15*x40) + (-1)*(k41*x22*x40 - k42*x39) + 1*(k59*x64 - k60*x17*x40))/k92,
  diff(x41, t) = ((-1)*(k45*x28*x41 - k46*x42) + 1*k67*x46 + (-1)*(k45*x69*x41 - k46*x70) + 1*k67*x73)/k92,
  diff(x42, t) = (1*(k45*x28*x41 - k46*x42) + (-1)*(k47*x42 - k48*x43*x45))/k92,
  diff(x43, t) = ((-1)*(k34*x25*x43 - k33*x29) + 1*(k47*x42 - k48*x43*x45) + (-1)*(k34*x35*x43 - k33*x37))/k92,
  diff(x44, t) = ((-1)*(k65*x44*x45 - k66*x46) + 1*k67*x46 + (-1)*(k65*x44*x72 - k66*x73) + 1*k67*x73)/k92,
  diff(x45, t) = (1*(k47*x42 - k48*x43*x45) + (-1)*(k65*x44*x45 - k66*x46) + (-1)*(k69*x47*x45 - k68*x48) + 1*k70*x48 + (-1)*(k69*x49*x45 - k68*x50) + 1*k71*x50)/k92,
  diff(x46, t) = (1*(k65*x44*x45 - k66*x46) + (-1)*k67*x46)/k92,
  diff(x47, t) = ((-1)*(k69*x47*x45 - k68*x48) + 1*k74*x54 + (-1)*(k69*x47*x72 - k68*x74) + 1*k74*x79)/k92,
  diff(x48, t) = (1*(k69*x47*x45 - k68*x48) + (-1)*k70*x48)/k92,
  diff(x49, t) = (1*k70*x48 + (-1)*(k69*x49*x45 - k68*x50) + 1*k74*x52 + (-1)*(k76*x53*x49 - k75*x54))/k92,
  diff(x50, t) = (1*(k69*x49*x45 - k68*x50) + (-1)*k71*x50)/k92,
  diff(x51, t) = (1*k71*x50 + (-1)*(k73*x51*x53 - k72*x52) + (-1)*(k77*x55*x51 - k78*x56) + 1*k79*x56 + (-1)*(k77*x51*x57 - k78*x58) + 1*k80*x58)/k92,
  diff(x52, t) = (1*(k73*x51*x53 - k72*x52) + (-1)*k74*x52)/k92,
  diff(x53, t) = ((-1)*(k73*x51*x53 - k72*x52) + 1*k74*x52 + (-1)*(k76*x53*x49 - k75*x54) + 1*k74*x54 + (-1)*(k73*x77*x53 - k72*x78) + 1*k74*x78 + (-1)*(k76*x53*x75 - k75*x79) + 1*k74*x79)/k92,
  diff(x54, t) = (1*(k76*x53*x49 - k75*x54) + (-1)*k74*x54)/k92,
  diff(x55, t) = ((-1)*(k77*x55*x51 - k78*x56) + 1*k86*x62 + (-1)*(k77*x55*x77 - k78*x80) + 1*k86*x85)/k92,
  diff(x56, t) = (1*(k77*x55*x51 - k78*x56) + (-1)*k79*x56)/k92,
  diff(x57, t) = (1*k79*x56 + (-1)*(k77*x51*x57 - k78*x58) + 1*k83*x61 + (-1)*(k85*x60*x57 - k84*x62))/k92,
  diff(x58, t) = (1*(k77*x51*x57 - k78*x58) + (-1)*k80*x58)/k92,
  diff(x59, t) = (1*k80*x58 + (-1)*(k82*x59*x60 - k81*x61))/k92,
  diff(x60, t) = ((-1)*(k82*x59*x60 - k81*x61) + 1*k83*x61 + (-1)*(k85*x60*x57 - k84*x62) + 1*k86*x62 + (-1)*(k82*x83*x60 - k81*x84) + 1*k83*x84 + (-1)*(k85*x60*x81 - k84*x85) + 1*k86*x85)/k92,
  diff(x61, t) = (1*(k82*x59*x60 - k81*x61) + (-1)*k83*x61)/k92,
  diff(x62, t) = (1*(k85*x60*x57 - k84*x62) + (-1)*k86*x62)/k92,
  diff(x63, t) = (1*(k37*x31*x17 - k38*x63) + (-1)*(k39*x63 - k40*x64) + 1*(k10*x32 - k11*x63))/k92,
  diff(x64, t) = (1*(k39*x63 - k40*x64) + (-1)*(k41*x22*x64 - k42*x65) + (-1)*(k59*x64 - k60*x17*x40) + (-1)*(k64*x30*x64 - k63*x66) + 1*(k10*x33 - k11*x64))/k92,
  diff(x65, t) = (1*(k41*x22*x64 - k42*x65) + (-1)*(k44*x24*x65 - k43*x66) + (-1)*(k59*x65 - k60*x17*x39) + 1*(k10*x34 - k11*x65) + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x91)/k92,
  diff(x66, t) = (1*(k44*x24*x65 - k43*x66) + (-1)*(k30*x26*x66 - k29*x67) + 1*(k32*x67 - k31*x66*x69) + (-1)*(k34*x71*x66 - k33*x68) + 1*(k35*x68 - k36*x66*x26) + (-1)*(k50*x66 - k49*x17*x38) + 1*(k64*x30*x64 - k63*x66) + 1*(k10*x35 - k11*x66) + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x92)/k92,
  diff(x67, t) = (1*(k30*x26*x66 - k29*x67) + (-1)*(k32*x67 - k31*x66*x69) + 1*(k10*x36 - k11*x67) + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x93)/k92,
  diff(x68, t) = (1*(k34*x71*x66 - k33*x68) + (-1)*(k35*x68 - k36*x66*x26) + 1*(k10*x37 - k11*x68) + 1*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x94)/k92,
  diff(x69, t) = (1*(k32*x20 - k31*x69*x19) + 1*(k32*x67 - k31*x66*x69) + (-1)*(k45*x69*x41 - k46*x70))/k92,
  diff(x70, t) = (1*(k45*x69*x41 - k46*x70) + (-1)*(k47*x70 - k48*x71*x72))/k92,
  diff(x71, t) = ((-1)*(k34*x71*x19 - k33*x21) + 1*(k47*x70 - k48*x71*x72) + (-1)*(k34*x71*x66 - k33*x68))/k92,
  diff(x72, t) = (1*(k47*x70 - k48*x71*x72) + (-1)*(k65*x44*x72 - k66*x73) + (-1)*(k69*x47*x72 - k68*x74) + 1*k70*x74 + (-1)*(k69*x72*x75 - k68*x76) + 1*k71*x76)/k92,
  diff(x73, t) = (1*(k65*x44*x72 - k66*x73) + (-1)*k67*x73)/k92,
  diff(x74, t) = (1*(k69*x47*x72 - k68*x74) + (-1)*k70*x74)/k92,
  diff(x75, t) = (1*k70*x74 + (-1)*(k69*x72*x75 - k68*x76) + 1*k74*x78 + (-1)*(k76*x53*x75 - k75*x79))/k92,
  diff(x76, t) = (1*(k69*x72*x75 - k68*x76) + (-1)*k71*x76)/k92,
  diff(x77, t) = (1*k71*x76 + (-1)*(k73*x77*x53 - k72*x78) + (-1)*(k77*x55*x77 - k78*x80) + 1*k79*x80 + (-1)*(k77*x77*x81 - k78*x82) + 1*k80*x82)/k92,
  diff(x78, t) = (1*(k73*x77*x53 - k72*x78) + (-1)*k74*x78)/k92,
  diff(x79, t) = (1*(k76*x53*x75 - k75*x79) + (-1)*k74*x79)/k92,
  diff(x80, t) = (1*(k77*x55*x77 - k78*x80) + (-1)*k79*x80)/k92,
  diff(x81, t) = (1*k79*x80 + (-1)*(k77*x77*x81 - k78*x82) + 1*k83*x84 + (-1)*(k85*x60*x81 - k84*x85))/k92,
  diff(x82, t) = (1*(k77*x77*x81 - k78*x82) + (-1)*k80*x82)/k92,
  diff(x83, t) = (1*k80*x82 + (-1)*(k82*x83*x60 - k81*x84))/k92,
  diff(x84, t) = (1*(k82*x83*x60 - k81*x84) + (-1)*k83*x84)/k92,
  diff(x85, t) = (1*(k85*x60*x81 - k84*x85) + (-1)*k86*x85)/k92,
  diff(x86, t) = 1*k87*x6/k92,
  diff(x87, t) = 1*k87*x8/k92,
  diff(x88, t) = (1*(k7*x25*x12 - k8*x88) + (-1)*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x88)/k92,
  diff(x89, t) = (1*(k7*x27*x12 - k8*x89) + (-1)*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x89)/k92,
  diff(x90, t) = (1*(k7*x29*x12 - k8*x90) + (-1)*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x90)/k92,
  diff(x91, t) = (1*(k7*x34*x12 - k8*x91) + (-1)*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x91)/k92,
  diff(x92, t) = (1*(k7*x35*x12 - k8*x92) + (-1)*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x92)/k92,
  diff(x93, t) = (1*(k7*x36*x12 - k8*x93) + (-1)*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x93)/k92,
  diff(x94, t) = (1*(k7*x37*x12 - k8*x94) + (-1)*piecewise(31/20, k90/(k2/(k1*k94) + 1) < 3100, 1/5, k90/(k2/(k1*k94) + 1) > 100000, k90/(k2/(k1*k94) + 1)*-27/2000000 + 31/20)*x94)/k92 }