CutMix between more than two images. Test result show that there is no significant difference.
13.09, 13.29, 13.27, 13.24, 13.15, 12.88 avg= 13.15 13.55, 13.66, 13.95, 13.9, 13.8, 13.32 avg= 13.68
13.05, 13.35, 13.21, 13.13, 13.2 avg= 13.18 13.36, 13.81, 13.75, 13.59, 13.57 avg= 13.61