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https://github.com/coding-horror/basic-computer-games.git
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Merge pull request #659 from roygilliam/Orbit_Work
Initial C# conversion
This commit is contained in:
Jeff Atwood
199
68_Orbit/csharp/program.cs
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199
68_Orbit/csharp/program.cs
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using System.Text;
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namespace Orbit
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{
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class Orbit
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{
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private void DisplayIntro()
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{
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Console.WriteLine();
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Console.WriteLine("ORBIT".PadLeft(23));
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Console.WriteLine("CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
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Console.WriteLine();
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Console.WriteLine();
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Console.WriteLine();
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Console.WriteLine("");
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Console.WriteLine("SOMEWHERE ABOVE YOUR PLANET IS A ROMULAN SHIP.");
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Console.WriteLine();
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Console.WriteLine("THE SHIP IS IN A CONSTANT POLAR ORBIT. ITS");
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Console.WriteLine("DISTANCE FROM THE CENTER OF YOUR PLANET IS FROM");
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Console.WriteLine("10,000 TO 30,000 MILES AND AT ITS PRESENT VELOCITY CAN");
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Console.WriteLine("CIRCLE YOUR PLANET ONCE EVERY 12 TO 36 HOURS.");
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Console.WriteLine();
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Console.WriteLine("UNFORTUNATELY, THEY ARE USING A CLOAKING DEVICE SO");
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Console.WriteLine("YOU ARE UNABLE TO SEE THEM, BUT WITH A SPECIAL");
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Console.WriteLine("INSTRUMENT YOU CAN TELL HOW NEAR THEIR SHIP YOUR");
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Console.WriteLine("PHOTON BOMB EXPLODED. YOU HAVE SEVEN HOURS UNTIL THEY");
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Console.WriteLine("HAVE BUILT UP SUFFICIENT POWER IN ORDER TO ESCAPE");
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Console.WriteLine("YOUR PLANET'S GRAVITY.");
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Console.WriteLine();
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Console.WriteLine("YOUR PLANET HAS ENOUGH POWER TO FIRE ONE BOMB AN HOUR.");
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Console.WriteLine();
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Console.WriteLine("AT THE BEGINNING OF EACH HOUR YOU WILL BE ASKED TO GIVE AN");
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Console.WriteLine("ANGLE (BETWEEN 0 AND 360) AND A DISTANCE IN UNITS OF");
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Console.WriteLine("100 MILES (BETWEEN 100 AND 300), AFTER WHICH YOUR BOMB'S");
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Console.WriteLine("DISTANCE FROM THE ENEMY SHIP WILL BE GIVEN.");
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Console.WriteLine();
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Console.WriteLine("AN EXPLOSION WITHIN 5,000 MILES OF THE ROMULAN SHIP");
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Console.WriteLine("WILL DESTROY IT.");
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Console.WriteLine();
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Console.WriteLine("BELOW IS A DIAGRAM TO HELP YOU VISUALIZE YOUR PLIGHT.");
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Console.WriteLine();
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Console.WriteLine();
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Console.WriteLine(" 90");
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Console.WriteLine(" 0000000000000");
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Console.WriteLine(" 0000000000000000000");
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Console.WriteLine(" 000000 000000");
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Console.WriteLine(" 00000 00000");
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Console.WriteLine(" 00000 XXXXXXXXXXX 00000");
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Console.WriteLine(" 00000 XXXXXXXXXXXXX 00000");
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Console.WriteLine(" 0000 XXXXXXXXXXXXXXX 0000");
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Console.WriteLine(" 0000 XXXXXXXXXXXXXXXXX 0000");
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Console.WriteLine(" 0000 XXXXXXXXXXXXXXXXXXX 0000");
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Console.WriteLine("180<== 00000 XXXXXXXXXXXXXXXXXXX 00000 ==>0");
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Console.WriteLine(" 0000 XXXXXXXXXXXXXXXXXXX 0000");
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Console.WriteLine(" 0000 XXXXXXXXXXXXXXXXX 0000");
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Console.WriteLine(" 0000 XXXXXXXXXXXXXXX 0000");
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Console.WriteLine(" 00000 XXXXXXXXXXXXX 00000");
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Console.WriteLine(" 00000 XXXXXXXXXXX 00000");
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Console.WriteLine(" 00000 00000");
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Console.WriteLine(" 000000 000000");
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Console.WriteLine(" 0000000000000000000");
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Console.WriteLine(" 0000000000000");
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Console.WriteLine(" 270");
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Console.WriteLine();
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Console.WriteLine("X - YOUR PLANET");
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Console.WriteLine("O - THE ORBIT OF THE ROMULAN SHIP");
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Console.WriteLine();
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Console.WriteLine("ON THE ABOVE DIAGRAM, THE ROMULAN SHIP IS CIRCLING");
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Console.WriteLine("COUNTERCLOCKWISE AROUND YOUR PLANET. DON'T FORGET THAT");
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Console.WriteLine("WITHOUT SUFFICIENT POWER THE ROMULAN SHIP'S ALTITUDE");
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Console.WriteLine("AND ORBITAL RATE WILL REMAIN CONSTANT.");
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Console.WriteLine();
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Console.WriteLine("GOOD LUCK. THE FEDERATION IS COUNTING ON YOU.");
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}
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private bool PromptYesNo(string Prompt)
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{
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bool Success = false;
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while (!Success)
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{
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Console.Write(Prompt);
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string LineInput = Console.ReadLine().Trim().ToLower();
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if (LineInput.Equals("yes"))
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return true;
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else if (LineInput.Equals("no"))
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return false;
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else
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Console.WriteLine("Yes or No");
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}
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return false;
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}
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private int PromptForNumber(string Prompt)
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{
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bool InputSuccess = false;
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int ReturnResult = 0;
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while (!InputSuccess)
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{
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Console.Write(Prompt);
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string Input = Console.ReadLine().Trim();
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InputSuccess = int.TryParse(Input, out ReturnResult);
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if (!InputSuccess)
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Console.WriteLine("*** Please enter a valid number ***");
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}
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return ReturnResult;
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}
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private void PlayOneRound()
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{
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Random rand = new Random();
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string Prompt = "";
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int A_AngleToShip = 0;
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int D_DistanceFromBombToShip = 0;
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int R_DistanceToShip = 0;
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int H_Hour = 0;
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int A1_Angle = 0;
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int D1_DistanceForDetonation = 0;
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int T = 0;
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double C_ExplosionDistance = 0;
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A_AngleToShip = Convert.ToInt32(360 * rand.NextDouble());
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D_DistanceFromBombToShip = Convert.ToInt32(200 * rand.NextDouble()) + 200;
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R_DistanceToShip = Convert.ToInt32(20 * rand.NextDouble()) + 10;
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while (H_Hour < 7)
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{
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H_Hour++;
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Console.WriteLine();
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Console.WriteLine();
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Prompt = "This is hour " + H_Hour.ToString() + ", at what angle do you wish to send\nyour photon bomb? ";
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A1_Angle = PromptForNumber(Prompt);
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D1_DistanceForDetonation = PromptForNumber("How far out do you wish to detonate it? ");
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Console.WriteLine();
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Console.WriteLine();
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A_AngleToShip += R_DistanceToShip;
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if (A_AngleToShip >= 360)
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A_AngleToShip -= 360;
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T = Math.Abs(A_AngleToShip = A1_Angle);
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if (T >= 180)
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T = 360 - T;
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C_ExplosionDistance = Math.Sqrt(D_DistanceFromBombToShip * D_DistanceFromBombToShip + D1_DistanceForDetonation *
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D1_DistanceForDetonation - 2 * D_DistanceFromBombToShip * D1_DistanceForDetonation *
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Math.Cos(T * 3.14159 / 180));
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Console.WriteLine("Your photon bomb exploded {0:N3}*10^2 miles from the", C_ExplosionDistance);
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Console.WriteLine("Romulan ship.");
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if (C_ExplosionDistance <= 50)
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{
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Console.WriteLine("You have successfully completed your mission.");
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return;
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}
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}
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Console.WriteLine("You allowed the Romulans to escape.");
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return;
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}
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public void Play()
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{
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bool ContinuePlay = true;
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DisplayIntro();
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do
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{
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PlayOneRound();
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Console.WriteLine("Another Romulan ship has gone in to orbit.");
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ContinuePlay = PromptYesNo("Do you wish to try to destroy it? ");
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}
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while (ContinuePlay);
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Console.WriteLine("Good bye.");
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}
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}
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class Program
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{
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static void Main(string[] args)
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{
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new Orbit().Play();
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}
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}
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}
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