case where alternate operation is alternate of time_per and fixed_time operations
case where alternate operation is alternate of time_per and fixed_time operations

frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe