recompose this grid

testing results for: sql
mac-mini
Cla-Dar-i64
sql/test/wlcr16.739 
wlr01 X X0.886 
wlr20 X O1.134 
wlr30 X O0.680 
wlr40 X C0.533 
wlr70 X O1.647 
70130 (Nov2019)