handlers = {
    ACTION_1: handle_action_1,
    ACTION_2: handle_action_2,
    ACTION_3: handle_action_3,
    ACTION_4: handle_action_4,
    ACTION_5: handle_action_5,
    ACTION_6: handle_action_6,
    ACTION_7: handle_action_7,
    ACTION_8: handle_action_8}
