recompose this grid

testing results for: sql
lab04
GNU-Fed-i64
sql/test/wlcr16.207 
wlc01 X O1.166 
wlr20 X X1.442 
wlr30 X X0.619 
wlr40 X X0.603 
wlr50 X X0.593 
wlr70 X X0.605 
wlr100 X X0.599 
70193 (Nov2019)