Location of the RRLSs and AC stars in the CMD of CraII. The left panel shows with colored symbols the variable stars in the central field observed by V20, and the right panel contains the stars identified in the external fields studied in this work. The background is shown as a reference of the CraII CMD, and it is the same in both panels. It contains all stars within 1° from the center of CraII, as measured by A. R. Walker et al. (2019).