{ diff(x1, t) = ((-1)*k41*k3*(x1*x14 - k19*x15) + (-1)*k41*k3*(x1*x3 - k7*x4) + (-1)*k41*k4*(x1*x19 - k20*x24) + (-1)*k41*k4*(x1*x8 - k8*x27) + 1*k41*k9*x15 + 1*k41*k12*x21 + 1*k41*k13*x25 + 1*k41*k16*x10)/k41,
  diff(x2, t) = ((-1)*k41*k3*(x2*x14 - k19*x23) + (-1)*k41*k3*(x2*x3 - k7*x6) + (-1)*k41*k4*(x2*x19 - k20*x18) + (-1)*k41*k4*(x2*x8 - k8*x11) + 1*k41*k9*x23 + 1*k41*k12*x7 + 1*k41*k13*x29 + 1*k41*k16*x16)/k41,
  diff(x3, t) = ((-1)*k41*k3*(x1*x3 - k7*x4) + (-1)*k41*k3*(x2*x3 - k7*x6) + 1*k41*k1*k29/(k26*k28)*(x14*x30 - k5*k26*k28/k29*x3))/k41,
  diff(x4, t) = (1*k41*k3*(x1*x3 - k7*x4) + (-1)*k41*k21*x4 + 1*k41*k1*k29/(k26*k28)*(x30*x15 - k5*k7*k26*k28/k29/k19*x4))/k41,
  diff(x5, t) = (1*k41*k12*x21 + (-1)*k41*k17*x5)/k41,
  diff(x6, t) = (1*k41*k3*(x2*x3 - k7*x6) + (-1)*k41*k21*x6 + 1*k41*k1*k29/(k26*k28)*(x30*x23 - k5*k7*k26*k28/k29/k19*x6))/k41,
  diff(x7, t) = (1*k41*k21*x6 + (-1)*k41*k12*x7)/k41,
  diff(x8, t) = ((-1)*k41*k4*(x1*x8 - k8*x27) + (-1)*k41*k4*(x2*x8 - k8*x11) + 1*k41*k2*k29/(k26*k28)*(x19*x30 - k6*k26*k28/k29*x8))/k41,
  diff(x9, t) = (1*k41*k22*x27 + (-1)*k41*k11*x9)/k41,
  diff(x10, t) = (1*k41*k11*x9 + (-1)*k41*k16*x10)/k41,
  diff(x11, t) = (1*k41*k4*(x2*x8 - k8*x11) + (-1)*k41*k22*x11 + 1*k41*k2*k29/(k26*k28)*(x30*x18 - k6*k8*k26*k28/k29/k20*x11))/k41,
  diff(x12, t) = (1*k41*k22*x11 + (-1)*k41*k11*x12)/k41,
  diff(x13, t) = (1*k41*k21*x4 + 1*k41*k21*x6 + 1*k41*k22*x27 + 1*k41*k22*x11 + (-1)*k41*k18*x13)/k41,
  diff(x14, t) = ((-1)*k41*k3*(x1*x14 - k19*x15) + (-1)*k41*k3*(x2*x14 - k19*x23) + 1*k41*k14*x28 + 1*k41*k14*x22 + (-1)*k41*k1*k29/(k26*k28)*(x14*x30 - k5*k26*k28/k29*x3))/k41,
  diff(x15, t) = (1*k41*k3*(x1*x14 - k19*x15) + (-1)*k41*k9*x15 + (-1)*k41*k1*k29/(k26*k28)*(x30*x15 - k5*k7*k26*k28/k29/k19*x4))/k41,
  diff(x16, t) = (1*k41*k11*x12 + (-1)*k41*k16*x16)/k41,
  diff(x17, t) = (1*k41*k13*x29 + (-1)*k41*k15*x17)/k41,
  diff(x18, t) = (1*k41*k4*(x2*x19 - k20*x18) + (-1)*k41*k10*x18 + (-1)*k41*k2*k29/(k26*k28)*(x30*x18 - k6*k8*k26*k28/k29/k20*x11))/k41,
  diff(x19, t) = ((-1)*k41*k4*(x1*x19 - k20*x24) + (-1)*k41*k4*(x2*x19 - k20*x18) + 1*k41*k15*x26 + 1*k41*k15*x17 + 1*k41*k16*x10 + 1*k41*k16*x16 + (-1)*k41*k2*k29/(k26*k28)*(x19*x30 - k6*k26*k28/k29*x8))/k41,
  diff(x20, t) = (1*k41*k12*x7 + (-1)*k41*k17*x20)/k41,
  diff(x21, t) = (1*k41*k21*x4 + (-1)*k41*k12*x21)/k41,
  diff(x22, t) = (1*k41*k9*x23 + (-1)*k41*k14*x22)/k41,
  diff(x23, t) = (1*k41*k3*(x2*x14 - k19*x23) + (-1)*k41*k9*x23 + (-1)*k41*k1*k29/(k26*k28)*(x30*x23 - k5*k7*k26*k28/k29/k19*x6))/k41,
  diff(x24, t) = (1*k41*k4*(x1*x19 - k20*x24) + (-1)*k41*k10*x24 + (-1)*k41*k2*k29/(k26*k28)*(x30*x24 - k6*k8*k26*k28/k29/k20*x27))/k41,
  diff(x25, t) = (1*k41*k10*x24 + (-1)*k41*k13*x25)/k41,
  diff(x26, t) = (1*k41*k13*x25 + (-1)*k41*k15*x26)/k41,
  diff(x27, t) = (1*k41*k4*(x1*x8 - k8*x27) + (-1)*k41*k22*x27 + 1*k41*k2*k29/(k26*k28)*(x30*x24 - k6*k8*k26*k28/k29/k20*x27))/k41,
  diff(x28, t) = (1*k41*k9*x15 + (-1)*k41*k14*x28)/k41,
  diff(x29, t) = (1*k41*k10*x18 + (-1)*k41*k13*x29)/k41,
  diff(x30, t) = ((-1)*k41*k1*k29/(k26*k28)*(x14*x30 - k5*k26*k28/k29*x3) + (-1)*k41*k2*k29/(k26*k28)*(x19*x30 - k6*k26*k28/k29*x8) + (-1)*k41*k1*k29/(k26*k28)*(x30*x15 - k5*k7*k26*k28/k29/k19*x4) + (-1)*k41*k1*k29/(k26*k28)*(x30*x23 - k5*k7*k26*k28/k29/k19*x6) + (-1)*k41*k2*k29/(k26*k28)*(x30*x24 - k6*k8*k26*k28/k29/k20*x27) + (-1)*k41*k2*k29/(k26*k28)*(x30*x18 - k6*k8*k26*k28/k29/k20*x11))/k41 }