recompose this grid

testing results for: monetdb5
mac-mini
Cla-Dar-i64
monetdb5/extras/rapi64.282 
rapi06 X T60.023 
monetdb5/mal50.250 
tst1200 X O0.244 
tst1205 X O0.232 
total159.665 
67579 (Aug2018)