I think if you use rotations instead of permutations it will give you
what you want:
```
def rotations(seq):
for i in range(len(seq)):
yield seq
seq.append(seq.pop(0))
def kbins:
if unordered:
if unique:
func = rotations
else:
func = permutations
...
if ordered:
yield
else:
...
for p in func(...) <-- instead of permutations(...)
...
```
Chris
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