Possible idea David.
PSums w/8PS , even odd? 64 PS is the sums.
with picture above
8 2/2 EE
8 2/2 EE
8 2/2 EE
9 2/1 OO
8 2/2 EE
9 2/1 OO
9 2/1 OO
10 2/3 EO
Or, keep them separate
8 2/2 EEE
8 2/2 EEE
8 2/2 EEE
9 2/1 OEO
8 2/2 EEE
9 2/1 OEO
9 2/1 OEO
10 2/3 EEO