private int goTo(int index)
    {
        int state = state();
        int low = 1;
        int high = gotoTable[index].length - 1;
        int value = gotoTable[index][0][1];

        while(low <= high)
        {
            // int middle = (low + high) / 2;
            int middle = (low + high) >>> 1;

            if(state < gotoTable[index][middle][0])
            {
                high = middle - 1;
            }
            else if(state > gotoTable[index][middle][0])
            {
                low = middle + 1;
            }
            else
            {
                value = gotoTable[index][middle][1];
                break;
            }
        }

        return value;
    }