private int tr_137(char ch)
    {
        if(chin(ch,';','w')) return 57;
        if(cheq(ch,'x')) return 131;
        if(chin(ch,' ','9')) return 57;
        if(chin(ch,'\t','\n')) return 57;
        if(chin(ch,'y','~')) return 57;
        return 0;
    }