How to move the ROV?

Can I make a ROV move and turn, without being able to change the direction of motor rotation?

The problem is that I’m limited to using a Uni-Directional ESC, so can I achieve the required movements by only using unidirectional motors?

Like having two motors in front always rotate
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in a forward direction (1&2) and two in the back that always rotate in a backward direction like (3&4)?

And If I want to turn right for example can this be achieved by operating (2&3)? and can I operate (2&3&1) to make it turn while moving?