hand tightening is ok, but if you want to tighen them in sequence, do it as shown...
___3___________2
5________1________4
do it in 2 to 3 steps, and the final step make sure they are all tight, or torqued, if you are torquing them.
here is the sequence for the b16, just for the hell of it...
7___________________5
____3__________1
____4__________2
8___________________6