import java.io.*;

class code1
{
	public static void main(String args[]) throws Exception 
	{
		File ii = new File ("C-small-attempt1.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("output.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		int total=0;
		for(int i=0;i<cases;i++){
		String temp = br.readLine();
		String parts [] = temp.split(" ");
		int lower = Integer.parseInt(parts[0]);
		int upper = Integer.parseInt(parts[1]);
		System.out.println(lower+" "+upper);
		
		for(int j=lower;j<=upper;j++)
		{
			int abc = j;int length=0;
			if(j<10)continue;
			while (abc!=0){abc/=10;length++;}
			abc=j;
			for(int m=0;m<length-1;m++){
				int shift = abc%10;
				abc=abc/10;
				System.out.println("hi "+j);
				abc=abc+shift*power(10,length-1);
				if(abc<=upper&&shift!=0&&abc>j)total++;
				System.out.println(total);
			}
		}
 		dout.writeBytes("Case #"+(i+1)+ ": "+total+"\n");
 		total=0;
		}//for close
		
	}

	private static int power(int i, int j) {
		int no=1;
		for(int a=0;a<j;a++){no=10*no;}
		return no;
	}
}
import java.io.BufferedReader;
import java.io.FileReader;


public class C {

  private boolean isR(int a, int b) {

    char[] sa = String.valueOf(a).toCharArray();
    char[] sb = String.valueOf(b).toCharArray();

    if (sa.length != sb.length) return false;
    int n = sa.length;

    for (int i = 1; i < n; i++) {
      boolean ok = true;
      for (int k = 0; k < n; k++) {
        char c = sb[(k + i) % n];
        if (c != sa[k]) {
          ok = false;
          break;
        }
      }
      if (ok) return true;
    }

    return false;
  }

  int count(int a, int b) {
    int c = 0;
    for (int i = a; i < b; i++) {
      for (int j = i + 1; j <= b; j++) {
        if (isR(i, j)) {
          c++;
        }
      }
    }
    return c;
  }

  private void main2(String[] args) throws Exception {
    BufferedReader br = new BufferedReader(new FileReader(args[0]));
    String line = br.readLine();
    int count = Integer.parseInt(line);
    for (int i = 0; i < count; i++) {
      line = br.readLine();
      int s = line.indexOf(' ');
      int a = Integer.parseInt(line.substring(0, s));
      int b = Integer.parseInt(line.substring(s + 1));
      System.out.println("Case #" + (i + 1) + ": " + count(a, b));
    }
    br.close();
  }

  public static void main(String[] args) throws Exception {
    new C().main2(args);
  }


}
