//dpoeschl

import java.util.*;

public class HexA
{
    static Piece[] pieces = new Piece[7];
    static Piece[] answer = new Piece[7];
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        for(int c = 1; c <= n; c++)
        {
            for(int i = 0; i < 7; i++)
                pieces[i] = new Piece(i, scan.nextInt(), scan.nextInt(), scan.nextInt(), scan.nextInt(), scan.nextInt(), scan.nextInt());

            System.out.print("Case " + c + ":");
            if(!findAndPrintSolution(0))
                System.out.println(" No solution");
        }
    }

    public static boolean findAndPrintSolution(int position)
    {
        int centerToMatch, centerMatch, previousToMatch, previousMatch, nextToMatch, nextMatch;
        for(Piece piece : pieces)
        {
            if(!piece.used)
            {
                if(position <= 1)
                {
                    piece.orientToPosition(1, position == 0 ? 0 : 3);
                    answer[position] = piece;
                    piece.used = true;
                    if(findAndPrintSolution(position + 1)) return true;
                    piece.used = false;
                }
                else if(position <= 5)
                {
                    piece.orientToPosition(answer[0].valueAtPosition(position-1), (position + 2) % 6);
                    if(answer[position-1].valueAtPosition(position) == piece.valueAtPosition((position + 3) % 6))
                    {
                        answer[position] = piece;
                        piece.used = true;
                        if(findAndPrintSolution(position+1)) return true;
                        piece.used = false;
                    }
                }
                else
                {
                    piece.orientToPosition(answer[0].valueAtPosition(5), 2);
                    if(answer[5].valueAtPosition(0) == piece.valueAtPosition(3) && answer[1].valueAtPosition(4) == piece.valueAtPosition(1))
                    {
                        answer[6] = piece;
                        for(int i = 0; i < 7; i++)
                            System.out.print(" " + answer[i].pieceNum);
                        System.out.println();
                        return true;
                    }
                }
            }
        }
	return false;
    }

    public static class Piece
    {
        public int pieceNum;
        public boolean used;
        private int[] arr;
        private int orientation;
	
        public Piece(int pieceNum, int a, int b, int c, int d, int e, int f)
        {
            this.pieceNum = pieceNum;
            arr = new int[] {a, b, c, d, e, f};                
        }

        public int valueAtPosition(int x)
        {
            x -= orientation;
            while(x < 0)
                x += 6;
            return arr[x % 6];
        }

        public void orientToPosition(int value, int position)
        {
            for(int i = 0; i < 6; i++)
                if(arr[i] == value)
                    orientation = position - i;
        }
    }
}