A={-2, -1, 0, +1, +2, +3, +4}
B={10, 9, 8, 7, 6, 5, 4, 3, 2, 1, -1, etc}
C={-8, -9, -10, -11, -12, -13, etc}
D={-2, -1, 0, 1, 2}
Sper ca te-am ajutat!