recompose this grid

testing results for: monetdb5
mac-mini
Cla-Dar-i64
monetdb5/extras/rapi64.233 
rapi06 X T60.026 
monetdb5/mal54.809 
tst1200 X O0.275 
tst1205 X O0.251 
total169.865 
67096 (Aug2018_3)