recompose this grid

testing results for: sql
lab04
Int-Fed-i64
sql/test/wlcr19.820 
wlc01 X O1.551 
wlr20 X X1.728 
wlr30 X X0.854 
wlr40 X X0.842 
wlr50 X X0.845 
wlr70 X X0.841 
wlr100 X X0.833 
70193 (Nov2019)