{ diff(x2, t) = ((-1)*k17*(k11*x1*x2 - k12*x11) + 1*k17*k10*k28 + (-1)*k17*k10*x2 + (-1)*k17*(k13*k29*x2 - k14*x12))/k17,
  diff(x3, t) = ((-1)*k17*(k18*x3*x5 - k19*x4) + 1*k17*k20*x4 + (-1)*k17*k21*x3 + 1*k17*k27*x11)/k17,
  diff(x4, t) = (1*k17*(k18*x3*x5 - k19*x4) + (-1)*k17*k20*x4)/k17,
  diff(x5, t) = ((-1)*k17*(k18*x3*x5 - k19*x4) + 1*k17*k25*x6)/k17,
  diff(x6, t) = (1*k17*k20*x4 + (-1)*k17*(k22*x6*x7 - k23*x8) + 1*k17*k24*x8 + (-1)*k17*k25*x6)/k17,
  diff(x7, t) = ((-1)*k17*(k22*x6*x7 - k23*x8) + 1*k17*k26*x9)/k17,
  diff(x8, t) = (1*k17*(k22*x6*x7 - k23*x8) + (-1)*k17*k24*x8)/k17,
  diff(x9, t) = (1*k17*k24*x8 + (-1)*k17*k26*x9)/k17,
  diff(x10, t) = 0,
  diff(x11, t) = (1*k17*(k11*x1*x2 - k12*x11) + (-1)*k17*k27*x11 + (-1)*k17*(k13*k29*x11 - k14*x13))/k17,
  diff(x12, t) = (1*k17*(k13*k29*x2 - k14*x12) + (-1)*k17*(k11*x1*x12 - k12*x13) + (-1)*k17*k10*x12)/k17,
  diff(x13, t) = (1*k17*(k13*k29*x11 - k14*x13) + 1*k17*(k11*x1*x12 - k12*x13))/k17,
  diff(x14, t) = 0 }