1) x={-3; -2; -1; 0; 1; 2}
2) x={-4; -3; -2; -1; 0; 1; 2; 3; 4}
3) x={-9; -8; -7;...;3; 4; 5}
4) x={-5; -4; -3;...; 2; 3; 4}
5) x={-4; -3; -2; -1; 0; 1}
6) x={-5; -4; -3; -2; -1}
7) x={-1; 0; 1; 2; 3; 4}
8) x={-5; -4; -3;...;2; 3; 4}
9) x={-3; -2; -1; 0; 1; 2; 3}
10) |x|={4; 3; 2; 1; 0; -1; -2;....}
11) |x|={3; 2; 1; 0; -1; -2;....}
12) |x|={5; 4; 3; 2; 1; 0; -1;....}