code: def time_to_expr_eqs_189x49():
      eqs = eqs_189x49()
      assert [R_49.from_expr(eq.as_expr()) for eq in eqs] == eqs
  
imports: from sympy.polys.rings import ring
  from sympy.polys.fields import field
  from sympy.polys.domains import ZZ, QQ
  from sympy.polys.solvers import solve_lin_sys
label_desc: Use image node_id 12 for calling a global function with example usage: time_to_expr_eqs_189x49() without return types