#include <stdio.h>   
#include <malloc.h>   
#include <iostream>   
#include <stdlib.h>   
#define LIST_INIT_SIZE 100   
#define LISTINCREMENT 10   
#define OK 1   
#define OVERFLOW -1   
#define ERROR 0   
  
      
typedef int Status;   
      
typedef int ElemType;   
      
typedef struct SqList{   
    ElemType * elem;   //陣列首地址   
    int listSize;  //表容量；當前表的容量   
    int length;  //表長，代表當前陣列中有效元素的個數   
}SqList;   
      
// 下面實現nitList操作，即初始化一個空的線性表   
Status InitList_Sq(SqList &L)   
{   
    L.elem=(ElemType *)malloc(LIST_INIT_SIZE*sizeof(ElemType));   
    //malloc的返回值型別是void *;   
    //使用時要及時進行強制型別轉換   
    if(!L.elem)   
        exit(OVERFLOW);   
    L.listSize=LIST_INIT_SIZE;   
    L.length=0;   
    return OK;   
}   
    
  
        
Status CreateList(SqList &La,int na){    
    for(int i = 1;i<=na;++i){    
        ElemType e;    
//      printf("請輸入第%d個元素",i);    
        scanf("%d",&e);    
   if(La.length >= La.listSize)   {    
        La.elem=(ElemType *)realloc(La.elem,(La.listSize+LISTINCREMENT)*sizeof(ElemType));    
        La.listSize += LISTINCREMENT;    
    }    
        La.elem[i-1]=e;    
        La.length++;    
    }    
    return OK;    
}      

      
void MergeList_Sq(SqList La,SqList Lb,SqList &Ld,SqList &Le)   
{  //Ld是交，Le是補 
    ElemType* pa = La.elem;   
    ElemType* pb = Lb.elem;   

    Ld.length = 0;   
    Ld.listSize = La.length + Lb.length;   
    Ld.elem = (ElemType*)malloc(Ld.listSize*sizeof(ElemType));   
    ElemType* pd = Ld.elem;   
    if(!Ld.elem)   
        exit(OVERFLOW);   
      
    Le.length = 0;   
    Le.listSize = La.length + Lb.length;   
    Le.elem = (ElemType*)malloc(Ld.listSize*sizeof(ElemType));   
    ElemType* pe = Le.elem;    
    if(!Le.elem)   
        exit(OVERFLOW);   
      
      
    ElemType* pa_last = La.elem + La.length -1;   
    ElemType* pb_last = Lb.elem + Lb.length -1;   
    while(pa <= pa_last && pb <= pb_last)   
    {   
        if(*pa <= *pb)   
        {   
            if(*pa == *pb)   
            {   
                *pd++ = *pa;   
                Ld.length++;   
            }   
            else
            {   
                *pe++ = *pa;    
                Le.length++;   
            }   
           // *pc++ = *pa++;   
            pa++; 
        }   
        else
        {   
            *pe++ = *pb;   
            Le.length++;   
          //  *pc++ = *pb++;   
            pb++; 
        }   
    }   
    while(pa <= pa_last)   
    {   
        *pe++ = *pa;   
        Le.length++;   
        //*pc++ = *pa++;   
        pa++; 
    }   
      
    while(pb <= pb_last){   
        *pe++ = *pb;   
        Le.length++;   
       // *pc++ = *pb++;  
        pb++; 
    }   
}   
      
void MergeList_Sq2(SqList La,SqList Lb,SqList &Lc)   
{   
    int i,j;   
    Lc.length = 0;   
    Lc.listSize = La.length + Lb.length;   
    Lc.elem = (ElemType*)malloc(Lc.listSize*sizeof(ElemType));   
    int n = 0;   
    for(i = 0;i < La.length;i++){   
        j = 0;   
        while((j < Lb.length)&&(La.elem[i] != Lb.elem[j])){   
            j++;   
        }   
        if(j == Lb.length){   
            Lc.elem[n] = La.elem[i];   
            ++Lc.length; ++n;  
        }   
    }   
        
}   
      
      
void ListPrint_Sq(SqList L){    
    if(L.length==0) {    
        printf("\n");    
    }    
    else
    {    
        for(int i=0;i<L.length;++i){    
            if(i==0){    
              printf("%d",L.elem[i]);    
            }    
            else{    
              printf(" %d",L.elem[i]);    
                }    
        }    
        printf("\n");    
    }    
}    
  
      
int main()   
{   
    int num,i;   
    scanf("%d",&num);   
    for(i = 1;i <= num;i++)   
    {   
        SqList La,Lb,Ld,Le,Lf,Lg;   
        InitList_Sq(La);   
        InitList_Sq(Lb);   
  
        int na,nb;   
        scanf("%d",&na);  
        CreateList(La,na); 
        scanf("%d",&nb);   
        CreateList(Lb,nb); 

        MergeList_Sq(La,Lb,Ld,Le); 
        MergeList_Sq2(La,Ld,Lf);   
        MergeList_Sq2(Lb,Ld,Lg);   
        printf("Case #%d:\n",i);   
        //ListPrint_Sq(Lc);   
        ListPrint_Sq(Ld);   
        ListPrint_Sq(Le);   
        ListPrint_Sq(Lf);   
        ListPrint_Sq(Lg);   
      
    }   
      
    return 0;   
}