package it.simone.google.code.jam2012;

import java.util.HashSet;
import java.util.Set;

public class RecycledNumber implements GoogleCodeExercise {

	int a = 0;
	int b = 0;
	Set<Couple> distinctCouple = null;
	long maxTime = 0;

	private class Couple {
		int x = 0;
		int y = 0;

		public Couple(int x, int y) {
			this.x = x;
			this.y = y;
		}

		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + getOuterType().hashCode();
			result = prime * result + x;
			result = prime * result + y;
			return result;
		}

		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			Couple other = (Couple) obj;
			if (!getOuterType().equals(other.getOuterType()))
				return false;
			if (x == other.x && y == other.y)
				return true;
			if (x == other.y && y == other.x)
				return true;
			return false;
		}

		private RecycledNumber getOuterType() {
			return RecycledNumber.this;
		}

	}

	@Override
	public String execute(String line) {
		int result = 0;

		String[] data = line.split(" ");
		a = Integer.parseInt(data[0]);
		b = Integer.parseInt(data[1]);
		initialize();

		int n = a;
		//
		while (n <= b) {
			result += analize(n);
			n++;
//			if (n % 1000 == 0)
//				System.out.println(n);
		}

		System.out.println(result);
		return "" + result;
	}

	@Override
	public void initialize() {
		distinctCouple = new HashSet<Couple>();
	}

	private int analize(int number) {
		String numString = "" + number;
		initialize();
		for (int i = 1; i < numString.length(); i++) {
			int m = shift(numString, i);
			if (a <= number && number < m && m <= b) {
				Couple couple=new Couple(number,m);
				if (!distinctCouple.contains(couple))
					distinctCouple.add(couple);
			}
		}
		return distinctCouple.size();
	}

	private int shift(String numString, int posx) {

		String result = null;
		result = "" + numString.substring(posx) + numString.substring(0, posx);

		return Integer.parseInt(result.toString());
	}

}

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class QC {

    static final String TASK_ID = "qc";
    static BufferedReader reader;
    static PrintWriter writer;

    public static void main(String[] args) {
        try {
            long now = System.currentTimeMillis();
            reader = new BufferedReader(new FileReader(TASK_ID + ".in"));
            writer = new PrintWriter(TASK_ID + ".out");

            int numTests = Integer.parseInt(reader.readLine());

            for (int testId = 0; testId < numTests; testId++) {
                Solver solver = new Solver(testId);
                solver.readInput();
                solver.run();
                solver.printOutput();
            }

            reader.close();
            writer.close();
            System.out.println(System.currentTimeMillis() - now + "ms");
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    static class Solver {

        private int testId;
        private int A, B;
        private int result;

        public Solver(int testId) {
            this.testId = testId;
        }

        public void run() {
            int digit = (int) Math.log10(A) + 1;
            int div=1;
            int pow = (int) Math.pow(10,digit);

            //System.out.println("=============== A="+A+"  B="+B+"  ====================");
            for (int n=A; n<=B; n++) {
                int div2 = div;
                int pow2 = pow;
                int[] matches = new int[digit-1];
                int count = 0;
                for (int j=1; j<digit; j++) {
                    div2*=10;
                    pow2/=10;
                    int m = (n % div2) * pow2 + n / div2; //shift last digit to front
                    if (n<m && m<=B) {
                        boolean exists = false;
                        for (int k=0; k<count; k++) {
                            if (matches[k]==m) {
                                exists=true;
                                break;
                            }
                        }
                        if (!exists) {
                            result++;
                            //System.out.println("("+n+" , "+m+")");
                            matches[count++]=m;
                        }
                    }
                }
            }
            System.out.println(result);
        }

        private void readInput() {
            try {
                String line = reader.readLine();
                StringTokenizer st = new StringTokenizer(line);
                A = Integer.parseInt(st.nextToken());
                B = Integer.parseInt(st.nextToken());
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }

        private void printOutput() {
            writer.println("Case #"+(testId+1)+": "+ result);
        }
    }
}
