def chng_c(c1, c2, a):
from t10_1_mod import el_p, mul
return mul(a, el_p(c1, c2, len(a[0])))
def chng_c(c1, c2, a):
from t10_1_mod import el_p, mul
return mul(a, el_p(c1, c2, len(a[0])))
def chng_r(r1, r2, a):
from t10_1_mod import el_p, mul
return mul(el_p(r1, r2, len(a)), a)
def chng_r(r1, r2, a):
from t10_1_mod import el_p, mul
return mul(el_p(r1, r2, len(a)), a)
