Z/3 K3 family y^2+(7t^2+309)xy-91(t^2-1)(t^2-25)(t^2-121)y=x^3, parameter t=1019/751. Family construction from the Layr Labs Elliptic Rank Challenge public repository, submission/board/3-r12-z3k3.ec (commit c8f82607a219df846ab80dd9e14ee09a2904d709). t selected by Mestre-Nagao sieve ordering; 11 points from specializing the family sections at t; PARI/GP 2.19 ellrank bounds [11,11]; torsion Z/3Z (elltors).
The Wren ·