<Tr> <Td> 1949 </Td> <Td> Adolph Rupp </Td> <Td> Oklahoma State </Td> <Td> 46--36 </Td> <Td> 32--2 </Td> </Tr> <Tr> <Td> 1951 </Td> <Td> Adolph Rupp </Td> <Td> Kansas State </Td> <Td> 68--58 </Td> <Td> 32--2 </Td> </Tr> <Tr> <Td> 1958 </Td> <Td> Adolph Rupp </Td> <Td> Seattle </Td> <Td> 84--72 </Td> <Td> 23--6 </Td> </Tr> <Tr> <Td> 1978 </Td> <Td> Joe B. Hall </Td> <Td> Duke </Td> <Td> 94--88 </Td> <Td> 30--2 </Td> </Tr>

When was the last time a number 1 seed lost to a 16 seed