#include <stdio.h>
int main(){
int maxItems=15;
int maxItemsTable[15];
int numOfDisplays=6;
int i;
int counter=numOfDisplays;
int choice;
int temp=0;
int x;
for (i=0; i<maxItems; i++){
    maxItemsTable[i]=i;
//    printf("%d\n",maxItemsTable[i]);
}
while(1){
    if(numOfDisplays<=maxItems){
        for(i=temp; i<counter; i++){
            if(i>-1 && i<maxItems){
                printf("%d ",maxItemsTable[i]);
            }
            else if(i>=maxItems){
                printf("%d ",maxItemsTable[i-maxItems]);
            }
            else if(i<0){
                printf("%d ",maxItemsTable[maxItems+i]);
            }
        }
        printf("\n");
        scanf("%d",&choice);
        //gia choice=1 paei 6 mprosta
        if (choice==1){
            counter+=numOfDisplays;
            temp+=numOfDisplays;
            if(counter>maxItems){
                counter-=maxItems;
                temp-=maxItems;
            }
        }
        //gia choice=2 paei 6 pisw
        if (choice==2){
            counter-=numOfDisplays;
            temp-=numOfDisplays;
            if(counter<0){
                counter+=maxItems;
                temp+=maxItems;
            }
        }
    }
    else{
        for(i=temp; i<counter; i++){
            if(i<maxItems){
                printf("%d ",maxItemsTable[i]);
            }
            else{printf("-1");
            }
        }
    scanf("%d",&choice);
    }
}
}