During penetration, what is your preferred style?

Shallow thrusts only

Medium depth thrusts only

Deep thrusts only

Alternating shallow, medium and deep thrusts

Alternating shallow and medium thrusts

Alternating medium and deep thrusts

Alternating shallow and deep thrusts

I don't like penetration at all

Shallow thrusts only

Medium depth thrusts only

Deep thrusts only

Alternating shallow, medium and deep thrusts

Alternating shallow and medium thrusts

Alternating medium and deep thrusts

Alternating shallow and deep thrusts

I don't like penetration at all