recompose this grid

testing results for: monetdb5
mac-mini
Cla-Dar-i64
monetdb5/extras/rapi301.148 
rapi01 X X60.016 
rapi02 X X60.017 
rapi03 X X60.016 
rapi04 X X60.017 
rapi05 X X60.018 
total302.001 
70357 (default)