From 1/4 line (2-f line between facing couples): Outside beaus (l-side dancers) Right Loop 1 (i.e. Run around belle who does NOT move); those dancers Trade; centers move toward the center and behind in a (phantom) Chase Right to end in r-h waves.
Left Paper Chase: From a left 1/4 line: Outside belles Left Loop 1 then those dancers Trade as centers Left Chase.