The full deviation list is exact integer arithmetic.

highlighted = computed this step

First three deviations

The first three deviations are -2, 0, and -1.

2, 0, 1-2,\ 0,\ -1
Deviation tableThe table exposes each exact deviation from the centerline.deviations from centerlinevaluedeviation18-2210039-141115122

All deviations

The deviations are -2, 0, -1, 1, and 2.

2, 0, 1, 1, 2-2,\ 0,\ -1,\ 1,\ 2
Deviation tableThe table exposes each exact deviation from the centerline.deviations from centerlinevaluedeviation18-2210039-141115122