A game of consecutive piles

There are 6 piles of stones in a round configuration. In a single move, a player selects 3 consecutive piles, and removes some stones from 1 or more of these piles. (at least 1 stone must be removed from at least 1 pile). A player loses if he can’t make any more moves in the current position. (equivalently, there do not exist any piles with non-zero amount of stones) Given a starting position, o