def target_numbers(es):
d = {}
nl = mtools.perm(es)
for l in nl:
for ops in ops_list:
r = ops[0](l[0], l[1])
r1 = ops[1](r, l[2])
r1 = ops[2](r1, l[3])
if r1 > 0:
r1 = round_int(r1)
if r1 > 0 and not d.has_key(r1):
d[r1] = True
#(a b) (c d)
r2 = ops[2](l[2], l[3])
r2 = ops[1](r, r2)
if r2 > 0:
r2 = round_int(r2)
if r2 > 0 and not d.has_key(r2):
d[r2] = True
return d.keys()
def gen_find_cylic_list(n):
nls = mtools.perm(gen_nl(n))
for nl in nls:
cl = find_cylic_list(nl, nl[0], [])
if cl:
return cl
