recompose this grid

testing results for: sql
lab05
GNU-Fed-i64
sql/test/wlcr16.442 
wlr01 X X0.612 
wlr20 X X0.928 
wlr30 X O0.695 
wlr40 X O0.697 
wlr50 X O0.752 
wlr70 X X1.721 
wlr100 X O0.692 
70158 (Nov2019)