[ Eq(Derivative(x1, t), (1*k28*k1*x1*(1 - x1/k2) + (-1)*k28*k3*x1 + (-1)*k28*k4*x1*x2 + (-1)*k28*k5*x1*x3 + (-1)*k28*k6*x1*x4 + 1*k28*k7*x1*x5)/k28),
  Eq(Derivative(x2, t), (1*k28*k12*x4 + 1*k28*k18*x2*x4*(1 - (x2 + x3)/k16) + (-1)*k28*k8*x2*x1 + (-1)*k28*k24*x2)/k28),
  Eq(Derivative(x3, t), (1*k28*k13*x5 + 1*k28*k19*x3*x5*(1 - (x3 + x2)/k16) + (-1)*k28*k9*x3*x1 + (-1)*k28*k25*x3)/k28),
  Eq(Derivative(x4, t), (1*k28*k14*x2 + 1*k28*k20*x4*(1 - (x4 + x5)/k17) + (-1)*k28*k10*x4*x1 + (-1)*k28*k26*x4 + (-1)*k28*k23*x4 + 1*k28*k22*x5)/k28),
  Eq(Derivative(x5, t), (1*k28*k23*x4 + (-1)*k28*k22*x5 + 1*k28*k15*x3 + 1*k28*k21*x5*x3*(1 - (x5 + x4)/k17) + 1*k28*k11*x5*x1 + (-1)*k28*k27*x5)/k28) ]