recompose this grid

testing results for: geom
mac-mini
Cla-Dar-i64
geom/sql/conformance 0.934 
single server output out err
T48  O X 0.006 
geom/sql/pg_regression 5.827 
single server output out err
dump  O X 0.031 
total 14.916 
83320 (Jul2021)