“…Among the 24 SC capabilities, 13 are identified as the Level I group, as no other primary element can be reached above these elements. [14] [13], [36] [37], [13], [36] [36] [38] [39], [40] ζ 2 [41], [42], [43] [44], [5], [45], [46], [47] [48], [49], [4], [50], [51], [13], [5], [52], [53], [54], [55], [45], [56], [57], [14], [58], [46], [14], [59], [60], [61], [62] [5], [63], [46] [35], [52], […”