The phrase "most counterclockwise" refers to the direction that is opposite to the direction of movement of the hands of a clock, starting from the top position. Some potential synonyms for this phrase might include "farthest left," "closest to the leftmost position," "most anti-clockwise," or "beyond the furthest point in a counter-clockwise direction." Depending on the context in which the phrase is being used, there may be other suitable synonyms as well, but these options could help to convey a similar sense of direction or positioning to the reader. Ultimately, the specific choice of wording will depend on what will be most effective in communicating the intended meaning to the audience.