Swap values for two rows in the same table in SQL Server

Question

I want to swap the values from two rows in a table. I have the rows IDs of the two rows. Is there any query to do that? Here is an example. Before the query I have this:

Answer 1

Simple update works:

UPDATE myTable
SET 
col1 = CASE WHEN col1 = 1 THEN 5 ELSE 1 END,
col2 = CASE WHEN col2 = 2 THEN 6 ELSE 2 END,
col3 = CASE WHEN col3 = 3 THEN 7 ELSE 3 END 

Result: row values are swapped.