PC World Komputer 1996 May

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50228 3.21 -1 1 38 89 0 94519 640 480 15 15 0 2565 3570 5745 4260 0 0 0 0 BEGIN_TEXT LabWindows/CVI is a complete ANSI C programming environment, with all of the flexible debugging and development tools available in general-purpose C programming environments you may have used in the past. In this tutorial, you will see some of the powerful debugging tools available in LabWindows/CVI. Experienced C programmers will recognize many of these utilities as standard C development and debugging tools. Novice programmers will discover powerful new tools for development and debugging. You will be using the sample program developed in the tutorial section of this demonstration to review the debugging tools in LabWindows/CVI. To review the program you need to debug, click on the Acquire Data button to acquire and display a waveform on the graph. ! BEGIN_TEXT ! LabWindows/CVI Debugging Tools 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 2 4395 3375 5835 1950 0 0 0 0 BEGIN_TEXT You will notice that we have added a channel input on the GUI. With this control, you interactively select which input channel to acquire and display on the graph. Select channel two and click on the Acquire Data button. ! BEGIN_TEXT ! Acquiring from Channel 2 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 6 4395 3375 6135 2220 0 0 0 0 BEGIN_TEXT In this example, you use the LabWindows/CVI debugging tools to step through the source code of this application in a mock debugging exercise. Assume that an error occurs when you try to acquire and display the data on channel two. Click on the Quit button to end program execution and view the source code. ! BEGIN_TEXT ! Viewing the Source Code 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 8 4095 2220 7155 3075 0 0 0 0 BEGIN_TEXT Based on the error information that you see, the bug must be somewhere within the AcquireData function. The AcquireData function deletes all traces on the graph, calls the scope_read_waveform function in the instrument driver to acquire a new waveform, and then plots the new waveform on the graph control. Start your debugging exercise by placing a breakpoint on the line containing the scope_read_waveform function. You do this by left-clicking with your mouse in the left-hand column of the source window (where the arrow is pointing). Add a breakpoint now, by clicking in the left-hand column. ! BEGIN_TEXT ! Adding a Breakpoint 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 ARR_L1R.BMP ARR_L1_.BMP 222 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 10 4305 2310 7200 2835 0 0 0 0 BEGIN_TEXT The red diamond symbolizes a breakpoint is now located where you clicked, on line 23. LabWindows/CVI breakpoints are conditional; you can apply specific conditions to a breakpoint to control its execution. In this example, you are only concerned with breaking program execution when the channel input is set to channel two. Right-click on the breakpoint symbol to see a dialog box where you can set its conditions. ! BEGIN_TEXT ! Editing a Breakpoint 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 11 2115 1710 5085 1725 0 0 0 0 BEGIN_TEXT The Breakpoints display shows a list of all breakpoints in your project. Click on the Add/Edit Item button to edit the breakpoint. ! BEGIN_TEXT ! Editing a Breakpoint 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 13 5055 765 7155 1830 0 0 0 0 BEGIN_TEXT From this screen, you can set pass counts or conditions for your breakpoints. In this example, we set the condition for this breakpoint so that program execution breaks only when the channel parameter is equal to 2. Click on the arrow button to add this condition to the dialog box. ! BEGIN_TEXT ! Conditional Breakpoints 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ -1 0 0 0 0 3 3 -1 3 0 0 DEBUG.AVI 0 14 5055 765 6720 1305 0 0 0 0 BEGIN_TEXT Click on the Replace button to add this condition to the existing breakpoint. ! BEGIN_TEXT ! Conditional Breakpoints 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 16 3255 3645 4155 1185 0 0 0 0 BEGIN_TEXT Click on the OK button to continue. ! BEGIN_TEXT ! Conditional Breakpoints 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 18 4275 1200 6345 2040 0 0 0 0 BEGIN_TEXT The breakpoint is now depicted by a yellow box, indicating that it is a conditional breakpoint. Run the program to see how the breakpoint operates. Click on the Run Project icon in the toolbar to compile and run the program. ! BEGIN_TEXT ! Running the Program 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 ARR_U1G.BMP ARR_U1_.BMP 68 254 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 20 4335 1290 6840 2040 0 0 0 0 BEGIN_TEXT Your program will now break execution only when the Acquire Data button is pressed and the Scope Channel is set to channel 2. To test this operation, try acquiring and displaying data from channel 1 first. Click on the Acquire Data button to acquire and display the waveform from channel 1. ! BEGIN_TEXT ! Running the Program 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 22 4320 1380 5415 1710 0 0 0 0 BEGIN_TEXT Now set the Scope Channel indicator to channel 2 and click on the Acquire Data button. The program should break execution. ! BEGIN_TEXT ! Running the Program 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 26 4125 645 5535 1590 0 0 0 0 BEGIN_TEXT To quickly view the value of the channel parameter, double-click on the "channel" variable in the scope_read_waveform function call. ! BEGIN_TEXT ! View the Variable Value 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 28 4305 3495 5535 1590 0 0 0 0 BEGIN_TEXT Click on the View Variable Value icon in the toolbar to view the Variable Display with the channel variable highlighted. ! BEGIN_TEXT ! View the Variable Value 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 30 3960 315 5730 1830 0 0 0 0 BEGIN_TEXT As you can see, the Variable display shows all of the current variable values, organized between local variables within particular functions and global program variables. Click on the arrow to continue. ! BEGIN_TEXT ! The Variable Display 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 -1 3 0 0 DEBUG.AVI 0 32 3960 315 6255 2205 0 0 0 0 BEGIN_TEXT LabWindows/CVI has a built-in utility to automatically view the declaration of a variable. If you ever forget what the data type or scope of a particular variable is, you can highlight it and select Find Identifier Definition to view its declaration. Click on the Find Identifier Definition icon in the toolbar to view the declaration of the highlighted channel variable. ! BEGIN_TEXT ! View Variable Declaration 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 ARR_U1M.BMP ARR_U1_.BMP 88 106 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 34 3960 315 6105 1605 0 0 0 0 BEGIN_TEXT As you can see, the channel variable is an integer initialized to a value of 1. Click on the arrow to continue. ! BEGIN_TEXT ! View Variable Declaration 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 -1 3 0 0 DEBUG.AVI 0 38 2490 720 6360 1845 0 0 0 0 BEGIN_TEXT You can also use the Find Identifier Definition utility to automatically view the definition of a highlighted function call. Click on the View Identifier Definition icon to view the definition of the scope_read_waveform function. ! BEGIN_TEXT ! View Function Definition 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 ARR_R1M.BMP ARR_R1_.BMP 30 52 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 40 4740 120 7890 2400 0 0 0 0 BEGIN_TEXT The source code to the scope_read_waveform function automatically displays in a new source window. This function is located in the simulated oscilloscope instrument driver. Here you see a key benefit of having source code access to your instrument drivers: you can single-step into the instrument driver code to debug, optimize, or enhance your drivers directly from within LabWindows/CVI. To step into the scope_read_waveform function, click on the Step Into icon in the toolbar. ! BEGIN_TEXT ! Stepping through Source Code 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 ARR_R1G.BMP ARR_R1_.BMP 101 314 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 42 1995 2610 6855 2820 0 0 0 0 BEGIN_TEXT Now you can see that the first line of the scope_read_waveform function is outlined in red, indicating that program execution has temporarily stopped at this line. In many debugging instances, it is not practical to single-step through each line of your source code. In this example, the first few lines of the function are simple initializations. Using the LabWindows/CVI Go To Cursor feature, you can move the input cursor to a certain point in your source code and force program execution to continue until the cursor is reached. Click on the arrow to place the cursor past the first few lines of this function. ! BEGIN_TEXT ! Go To Cursor 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 45 1995 2610 6915 1665 0 0 0 0 BEGIN_TEXT Click on the Go To Cursor icon to execute the source code up until the line where you left the cursor. ! BEGIN_TEXT ! Go To Cursor 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 47 1995 2610 6915 1665 0 0 0 0 BEGIN_TEXT Program execution is now halted at the scope_invalid_integer_range function. Click on the Step Into icon to step into the source code for this particular function. ! BEGIN_TEXT ! Go To Cursor 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 ARR_U1B.BMP ARR_U1_.BMP 64 328 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 49 4320 2355 6870 2580 0 0 0 0 BEGIN_TEXT With the stepping capabilities of LabWindows/CVI, you have stepped down through three successive function calls. When you get into these situations, you can use the Up and Down Call Stack utilities to find the area from which you have called a particular function. In this example, you can use the Up Call Stack to highlight the function from which the scope_invalid_integer function has been called. Click on the Up Call Stack icon to see which function in your source code has called the scope_invalid_integer_range function. ! BEGIN_TEXT ! Up/Down Call Stack 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 51 4320 2355 6930 1935 0 0 0 0 BEGIN_TEXT As you can see, the scope_read_waveform function has been highlighted again. Click on the Up Call Stack icon again to view the function that has called the scope_read_waveform function. ! BEGIN_TEXT ! Up/Down Call Stack 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 53 4320 2355 6930 1935 0 0 0 0 BEGIN_TEXT Now we have returned all the way to the AcquireData function. You can easily go to the deepest function in your call stack by using the Down Call Stack icon. Click on the arrow to jump back down the call stack to the scope_invalid_integer_range function. ! BEGIN_TEXT ! Up/Down Call Stack 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 -1 3 0 0 DEBUG.AVI 0 57 4320 2355 6345 2265 0 0 0 0 BEGIN_TEXT At any time when you are stepping through a function, you can use the Finish Function utility to execute the remainder of the function source code and return to where it was called. Click on the Finish Function icon to execute through the scope_invalid_integer_range and return to the scope_read_waveform function. ! BEGIN_TEXT ! Finish Function 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 ARR_U1G.BMP ARR_U1_.BMP 65 372 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 59 4320 2355 6495 1815 0 0 0 0 BEGIN_TEXT LabWindows/CVI also has a Watch window for viewing variable or expression values during program execution without breaking. Double-click on the "sou" variable to highlight it. ! BEGIN_TEXT ! Watch Window 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 61 1575 2625 6165 1560 0 0 0 0 BEGIN_TEXT Click on the View Expression Value to add the sou variable to the Watch Window. ! BEGIN_TEXT ! Watch Window 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 63 4185 360 6375 1830 0 0 0 0 BEGIN_TEXT The Watch Window will display the value of the sou variable during program execution. You can resize and place the Watch Window anywhere on your screen. Click on the arrow to hide the Watch Window. ! BEGIN_TEXT ! Watch Window 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 -1 3 0 0 DEBUG.AVI 0 66 1560 1200 6615 1395 0 0 0 0 BEGIN_TEXT Now click on the Go To Cursor icon again to execute the source code down to line 132. ! BEGIN_TEXT ! Watch Window 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 68 1560 1200 7275 1950 0 0 0 0 BEGIN_TEXT You can highlight a string variable and view its value using the View Variable Value utility at any time. Click on the arrow to view the value of the cmd string in the scope_write_data function call. ! BEGIN_TEXT ! Watch Window 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 -1 3 0 0 DEBUG.AVI 0 71 3900 540 7545 1710 0 0 0 0 BEGIN_TEXT From the String Display, you can view the value of string variables in a number of different formats. Pull down on the Format menu to view the different formats available. ! BEGIN_TEXT ! Watch Window 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 72 3900 540 7545 1710 0 0 0 0 BEGIN_TEXT A flexible string display can help you develop advanced instrument control applications. Click on the arrow to continue. ! BEGIN_TEXT ! Watch Window 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 -1 3 0 0 DEBUG.AVI 0 75 5070 225 7335 1905 0 0 0 0 BEGIN_TEXT The arrow symbols in the left-hand column of the Variable Display indicate that these variables are arrays. You can view the individual elements in an array variable by clicking on the arrow next to it. Click on the arrow symbol next to the wvfm variable to view its individual elements. ! BEGIN_TEXT ! The Array Display 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 77 975 1005 7155 1425 0 0 0 0 BEGIN_TEXT Pull down on the View menu and select Array Display to view the wvfm array in the specialized Array Display. ! BEGIN_TEXT ! The Array Display 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 81 4140 210 7305 1590 0 0 0 0 BEGIN_TEXT Like the String Display for character strings, the Array Display has a number of formats in which you can view the array element values. Pull down on the Format menu to view these formats. ! BEGIN_TEXT ! The Array Display 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 83 4140 210 3930 1275 0 0 0 0 BEGIN_TEXT Click on the arrow to continue. ! BEGIN_TEXT ! The Array Display 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 0 87 1845 1590 4635 2685 0 0 0 0 BEGIN_TEXT You have seen just a few of the powerful debugging features of LabWindows/CVI in this short tutorial. The toolbar lets you interactively step through source code and view variables. Click on the arrow key to complete this module. ! BEGIN_TEXT ! Debugging Conclusion 0 0 0 0 255 255 255 255 0 0 0 0 0 0 255 255 255 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 ~~ ~~ 0 0 0 0 0 3 3 0 3 0 -1 DEBUG.AVI 1 31 162 68 162 68 149 144 149 144 152 73 152 72 161 252 160 252 9 245 43 252 6 242 137 330 137 331 171 250 186 309 186 309 484 341 482 341 331 117 382 214 171 71 188 93 150 144 150 144 157 69 157 69 309 246 309 245 493 53 492 53 16 14 16 14 130 53 312 284 211 365 211 364 211 364 211 364 130 52 130 51 388 122 388 121 37 321 117 353 121 357 332 47 332 47 352 51 351 52 447 50 447 49 447 52 446 51 466 47 466 46 466 47 466 46 396 51 397 50 83 269 83 269 515 49 514 49 612 277 36 436 58 458 331 46 330 45 227 435 492 46 497 147 114 34 113 33 17 15 17 15 2 215 136 329 96 28 95 27 107 155 107 155 127 58 291 161 26 38 26 38 27 39 27 39 395 50 435 172 DEBUG.AVI 88 0 0 641 481 0 1 1 112 59 197 81 0 1 2 119 56 203 78 0 1 1 143 123 158 153 0 1 2 140 128 156 158 0 1 1 111 59 196 82 0 1 2 109 59 193 83 0 1 1 133 243 171 264 0 1 2 140 241 178 261 0 1 1 1 235 16 252 0 1 2 34 243 50 259 0 1 3 -3 233 13 249 0 1 1 63 325 183 347 0 1 2 76 319 196 341 0 1 1 110 238 230 260 0 1 1 122 299 217 319 0 1 2 137 298 233 318 0 1 1 455 325 574 348 0 1 2 421 328 541 352 0 1 1 267 40 288 62 0 1 2 371 202 391 224 0 1 1 111 58 197 83 0 1 2 144 80 230 104 0 1 1 144 123 158 152 0 1 2 142 129 156 157 0 1 1 112 58 196 81 0 1 2 114 56 198 80 0 1 9 266 233 350 257 0 1 2 266 232 350 256 0 1 1 481 41 503 62 0 1 2 480 42 502 62 0 1 1 4 3 26 23 0 1 2 4 3 26 23 0 1 1 118 42 140 62 0 1 2 300 273 322 293 0 1 1 199 354 221 374 0 1 2 199 353 221 373 0 1 1 199 353 221 373 0 1 2 199 353 221 373 0 1 1 118 41 140 61 0 1 2 118 40 140 60 0 1 1 385 114 404 133 0 1 2 377 110 397 130 0 1 1 26 310 46 330 0 1 1 106 342 126 362 0 1 2 110 346 130 366 0 1 1 321 36 341 56 0 1 2 321 36 341 56 0 1 1 342 37 362 58 0 1 2 340 41 360 61 0 1 1 436 39 456 59 0 1 2 436 38 456 58 0 1 1 436 41 456 61 0 1 2 435 40 455 60 0 1 1 455 36 475 56 0 1 2 455 35 475 55 0 1 1 455 36 475 56 0 1 2 455 35 475 55 0 1 1 385 40 405 60 0 1 2 386 39 406 59 0 1 9 70 260 94 274 0 1 2 70 261 94 275 0 1 1 503 36 527 59 0 1 2 501 36 525 60 0 1 1 599 264 623 288 0 1 1 23 423 47 447 0 1 2 45 445 69 469 0 1 1 318 33 342 57 0 1 2 317 32 341 56 0 1 1 214 422 238 446 0 1 1 479 33 503 57 0 1 2 484 134 508 158 0 1 1 77 24 132 43 0 1 2 84 22 140 42 0 1 1 -12 4 44 24 0 1 2 -12 4 44 24 0 1 1 1 205 15 224 0 1 2 128 318 142 338 0 1 1 73 18 107 38 0 1 2 77 16 111 36 0 1 1 70 145 329 169 0 1 2 -24 142 236 166 0 1 1 87 47 141 67 0 1 2 263 150 317 170 0 1 1 -2 27 52 47 0 1 2 -2 27 52 47 0 1 1 -1 28 53 48 0 1 2 -1 28 53 48 0 1 1 367 39 421 59 0 1 2 407 161 461 181 -1 1 SYSTEM 10 0 0 0 0