2,3,5,7,11,13,17,19,23,29,31,37,39
7+23=30
13+17=30
11+19=30
37+3=40
31+39=70
29+2+5=36
30+30+30+40+70+36=236
2,3,5,7,11,13,17,19,23,29,31,37,39
7+23=30
13+17=30
11+19=30
37+3=40
31+39=70
29+2+5=36
30+30+30+40+70+36=236