The example below is a Chocolate female cat that carries Sorrel bb1 oo bred with a Red male cat that carries Usual and Sorrel Bb1 O-

A wonderful “Unusual” litter - all the girls are Torties.
2 Usual males, 2 Usual Tortie females, 1 Chocolate male, 1 Chocolate Tortie female, 1 Sorrel male, 1 Sorrel Tortie female.