<Tr> <Td> Tenth Circuit </Td> <Td> Justice Sotomayor </Td> </Tr> <Tr> <Td> Eleventh Circuit </Td> <Td> Justice Thomas </Td> </Tr> <Tr> <Td> Federal Circuit </Td> <Td> Chief Justice Roberts </Td> </Tr> <P> Four of the current justices are assigned to circuits on which they previously sat as circuit judges: Chief Justice Roberts (D.C. Circuit), Justice Breyer (First Circuit), Justice Alito (Third Circuit), and Justice Kennedy (Ninth Circuit). </P>

The supreme court was originally established with six justices by which one of the following