recompose this grid

testing results for: sql
lab03
Mic-Win-i64
sql/test/wlcr18.230 
wlc01 X O1.482 
wlr20 X X1.907 
wlr30 X X0.842 
wlr40 X X0.750 
wlr50 X X0.812 
wlr70 X X0.640 
wlr100 X X0.672 
70375 (Nov2019)