~3.4BPW custom optimized EXL3 quant of Nex-N2-Pro 397B.

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-- A perplexity:  3.27273603
 -- B perplexity:  3.29885435
 -- A label in top-K:
      K = 1: 0.7132
      K = 2: 0.8113
      K = 3: 0.8533
      K = 4: 0.8765
      K = 5: 0.8924
 -- B label in top-K:
      K = 1: 0.7110
      K = 2: 0.8106
      K = 3: 0.8527
      K = 4: 0.8758
      K = 5: 0.8921
 -- Top-K agreement, A vs B:
      K = 1: 0.9508
      K = 2: 0.8034
      K = 3: 0.6177
      K = 4: 0.4464
      K = 5: 0.3076
 -- KL divergence (A, B):  0.02929534
 -- KL divergence (B, A):  0.02823736