1  -10 -10.001  -9.999
 2   -8  -8.001  -7.999
 3   -6  -6.002  -5.999
 4   -4  -4.2  -3.998
 5   -2  -2.003  -1.998
 6    0  -0.003   0.002
 7    2   1.997   2.003
 8    4   3.997   4.002
 9    6   5.998   6.001
10    8   7.999   8.001
11   10   9.999  10.000