Walk and Dodge
 

From facing couples (or lines):

The named dancer walks across to take the position of the
person he or she is facing while that dancer slides sideways
without turning to take their original partner's location.

Shown: Boys walk, Girls Dodge

From box formation (or ocean waves):

   The in facing dancer walks across to take the position
of the person in front of him or her while that dancer
slides sideways without turning to take their
original partner's location.