+ steps = 0
+ self.been.append(self.pos)
+ for direction in [(1, 0), (-1, 0), (0, -1), (0, 1)] * 2:
+ new_pos = (self.pos[0] + direction[0], self.pos[1] + direction[1])
+ if self.can_move(direction, level) and new_pos not in self.been:
+ self.pos = new_pos
+ self.been.append(new_pos)
+ steps += 1
+ if steps >= 2:
+ break
+ if caught():
+ break
+ if steps == 0:
+ self.been = []