recompose this grid

testing results for: sql
lab05
GNU-Fed-i64
sql/test/wlcr19.037 
wlr01 X X1.291 
wlr20 X X1.239 
wlr30 X X0.807 
wlr40 X X0.806 
wlr50 O X0.807 
wlr70 X X1.816 
wlr100 O X0.812 
70130 (Nov2019)