Show the correct Value

badz:
Here is my program:

  if (analogRead(A6) >= 0 && (analogRead(A6) <= 11))

{
   overwrite = true;
 }
...
// A LOT of lines
...
 else if (analogRead(A6) >= 1000 && (analogRead(A6) <= 1011))
 {
   overwrite = true;
 }
 else if (analogRead(A6) >= 1020)
 {
   overwrite = true;
 }

I think you can replace all of those lines with:

  if ((analogRead(A6) % 20) < 11) 
      overwrite = true;