Switch/Conditional in C#

using System;
using System.Text;

namespace foo
{
        class Program
        {
                static void Main(string[] args)
                {
                        int i = 0;

                        switch(i) {
                                case 1:
                                        Console.WriteLine("One");
                                        break;
                        }

                        switch(i) {
                                case 1:
                                        Console.WriteLine("One");
                                        break;
                                case 2:
                                        Console.WriteLine("Two");
                                        break;
                                case 3:
                                        Console.WriteLine("Three");
                                        break;
                                case 4:
                                        Console.WriteLine("Four");
                                        break;
                        }
                }
        }
}


.method private hidebysig static void  Main(string[] args) cil managed
{
  .entrypoint
  // Code size       105 (0x69)
  .maxstack  2
  .locals init (int32 V_0,
           int32 V_1)
  IL_0000:  nop
  IL_0001:  ldc.i4.0
  IL_0002:  stloc.0
  IL_0003:  ldloc.0
  IL_0004:  stloc.1
  IL_0005:  ldloc.1
  IL_0006:  ldc.i4.1
  IL_0007:  beq.s      IL_000b
  IL_0009:  br.s       IL_0018
  IL_000b:  ldstr      "One"
  IL_0010:  call       void [mscorlib]System.Console::WriteLine(string)
  IL_0015:  nop
  IL_0016:  br.s       IL_0018
  IL_0018:  ldloc.0
  IL_0019:  stloc.1
  IL_001a:  ldloc.1
  IL_001b:  ldc.i4.1
  IL_001c:  sub
  IL_001d:  switch     (
                        IL_0034,
                        IL_0041,
                        IL_004e,
                        IL_005b)
  IL_0032:  br.s       IL_0068
  IL_0034:  ldstr      "One"
  IL_0039:  call       void [mscorlib]System.Console::WriteLine(string)
  IL_003e:  nop
  IL_003f:  br.s       IL_0068
  IL_0041:  ldstr      "Two"
  IL_0046:  call       void [mscorlib]System.Console::WriteLine(string)
  IL_004b:  nop
  IL_004c:  br.s       IL_0068
  IL_004e:  ldstr      "Three"
  IL_0053:  call       void [mscorlib]System.Console::WriteLine(string)
  IL_0058:  nop
  IL_0059:  br.s       IL_0068
  IL_005b:  ldstr      "Four"
  IL_0060:  call       void [mscorlib]System.Console::WriteLine(string)
  IL_0065:  nop
  IL_0066:  br.s       IL_0068
  IL_0068:  ret
} // end of method Program::Main