recompose this grid

testing results for: geom

	mac-mini Cla-Dar-i64
geom/sql/conformance	1.481
single server output	out err
T48	O X	0.008
geom/sql/pg_regression	6.918
single server output	out err
dump	O X	0.033
total	17.208
	83712 (directappend)