recompose this grid

testing results for: geom
mac-mini
Cla-Dar-i64
geom/sql/conformance 1.258 
single server output out err
T48  O X 0.008 
geom/sql/pg_regression 9.310 
single server output out err
dump  O X 0.047 
total 20.887 
83725 (Jul2021)