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. 2020 Dec 24;101:107052. doi: 10.1016/j.asoc.2020.107052

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Fig. 6 — Minimum of fitness values by the recommended FO-CS $_{W}$ and the other FO-CS variants as well as the basic CS for (a) DS1, (b) DS2, (c) DS3, (d) DS4, (e) DS5, (f) DS6, (g) DS7, (h) DS8, (i) DS9, (j) DS10, (k) DS11, and (l) DS12.