illegal shift or illegal motion

[kdf5]

All 11 players stop for one second, which is a shift. Then two players go in motion, legally, since all players had stopped for one second. Both are moving at the snap. That is illegal motion. Had one of the two in motion stopped moving and the other kept going to the snap, then you would have had an illegal shift because if the one stopped moving then the other would have had to stop too for one second.

Illegal Motion:

7-2-7...Only one A player may be in motion at the snap and then only if such motion is not toward his opponent’s goal line......

Illegal shift:

7-2-6...After a huddle or shift all 11 players of A shall come to an absolute stop and shall remain stationary simultaneously without movement of hands, feet, head or body for at least one second before the snap