recompose this grid

testing results for: monetdb5
mac-mini
Cla-Dar-i64
monetdb5/extras/rapi64.271 
rapi06 X T60.027 
monetdb5/mal55.945 
tst1200 X O0.289 
tst1205 X O0.277 
total172.169 
67658 (Aug2018)