76402 CI combination index 3256 736634 CCI co-contraction index 95 770902 CIX concentration index 73 84677 Cn concentration index 14 768544 CIn concentration index 6 2178378 C-index concentration index 4 767505 CII concentration index 4 2496578 CInd concentration index 3 2178364 CIndex concentration index 2 785791 CnI concentration index 2 64277 CC concentration index 1 218407 IC concentration index 1 75454 ci concentration index 1