Whenever the main group (035, 049, 079, 096, 106, 173 and 682) try to sneak around without leaving any signs that they were there
1) 049 carries 035 so that there's less footsteps and also because they don't want his host to expire mid escape
2) 096 (and 682 on rare occasions) will carry 106 because they don't want him disintegrating everything and he'd leave a stain if he traveled through the walls/ceiling 096 and 682 do this because it does the least damage to them
3) 096 and 173 always stay close together
