EXPERIMENT 1 -- XOR CONVERGENCE
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initialisations tried      : 200
converged                  : 153  (76.5%)
stuck at 20,000 steps      : 47
steps to converge  median  : 1264
                   min-max : 737 - 5329

EXPERIMENT 3 -- BB(2,2) COMPLETE DECISION
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machines enumerated        : 20736
proven to halt             : 9784
proven never to halt       : 10952
undecided                  : 0
BB(2,2) steps  = 6   (published value: 6)
BB(2,2) marks  = 4   (published value: 4)

EXPERIMENT 2 -- AUC NULL DISTRIBUTION
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trials                     : 20000
samples per trial          : 11497
null AUC mean              : 0.50002
null AUC std dev           : 0.00534
null 95% range             : 0.4896 - 0.5105
largest AUC pure noise gave: 0.5207
observed 0.5105 is         : 1.97 sd from chance
two-sided p                : 0.0492