Boost 20

1+ = 1 Stone 18+ = 18 Stones 35+ = 50 Stones
2+ = 2 Stones 19+ = 19 Stones 36+ = 52 Stones
3+ = 3 Stones 20+ = 20 Stones 37+ = 54 Stones
4+ = 4 Stones 21+ = 22 Stones 38+ = 56 Stones
5+ = 5 Stones 22+ = 24 Stones 39+ = 58 Stones
6+ = 6 Stones 23+ = 26 Stones 40+ = 60 Stones
7+ = 7 Stones 24+ = 28 Stones 41+ = 63 Stones
8+ = 8 Stones  25+ = 30 Stones 42+ = 66 Stones
9+ = 9 Stones 26+ = 32 Stones 43+ = 69 Stones
10+ = 10 Stones 27+ = 34 Stones 44+ = 72 Stones
11+ = 11 Stones 28+ = 36 Stones 45+ = 75 Stones
12+ = 12 Stones 29+ = 38 Stones 46+ = 78 Stones
13+ = 13 Stones 30+ = 40 Stones 47+ = 81 Stones
14+ = 14 Stones 31+ = 42 Stones 48+ = 84 Stones
15+ = 15 Stones 32+ = 44 Stones 49+ = 87 Stones
16+ = 16 Stones 33+ = 46 Stones 50+ = 90 Stones
17+ = 17 Stones 34+ = 48 Stones