recompose this grid

testing results for: sql
lab04
Cla-Fed-i64
sql/test/wlcr16.260 
wlc01 X O1.161 
wlr20 X X1.452 
wlr30 X X0.616 
wlr40 X X0.608 
wlr50 X X0.601 
wlr70 X X0.606 
wlr100 X X0.597 
70193 (Nov2019)