def transition_2x3() -> dict:
    """
    A manually specified transition dict
    for comparison with the "create_dict_of_adjacent_tile_indices" above
    """
    transition_dic={}
    transition_dic[1]=[2,4]
    transition_dic[2]=[1,5,3]
    transition_dic[3]=[2,6]
    transition_dic[4]=[1,5]
    transition_dic[5]=[4,2,6]
    transition_dic[6]=[3,5]
    return transition_dic