recompose this grid

testing results for: geom
mac-mini
Cla-Dar-i64
geom/sql/conformance 1.077 
single server output out err
T48  O X 0.009 
geom/sql/pg_regression 7.346 
single server output out err
dump  O X 0.035 
total 18.071 
83725 (Jul2021)