<Tr> <Td> 5 </Td> <Td> 5 </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr>

Can you switch rook and king in chess