D9 = {-9, - 3, - 1, 1, 3, 9}
M5 = {0, 5, 10, 15, 20, ...}
M2 = {0, 2, 4, 6, 8, 10, ...}
D25 = {-25, - 5, - 1, 1, 5, 25}
M25 = {0, 25, 50, 75, ...}
M30 = {0, 30, 60, 90, ...}
D30 = {-30, - 15, - 10, - 6, - 5, - 3, - 2, - 1, 1, 2, 3, 5, 6, 10, 15, 30}
M100 = {0, 100, 200, ...}