#include <stdio.h>

void ThreeNPlusOne(unsigned ,unsigned, unsigned  [][30] ,unsigned [] );

int main(){

unsigned pairs;			 //for storing number fo pairs entered
unsigned Obuffer[30];	 //Original Data
unsigned Mbuffer[30][30];//Modified Data
unsigned CycleLength[30];
unsigned i,j;			 //counter

printf("How many pairs do you want to enter");
scanf("%u\n",&pairs);

for(i=0;i<pairs*2;++i){
	scanf("%u",&Obuffer);
}

/*for(i=0;i<pairs*2;++i){
	printf("%u ",buffer);
}*/

for(i=0;i<pairs*2;i+=2)
ThreeNPlusOne(Obuffer,Obuffer[i+1],Mbuffer,CycleLength);


for(i=0;i<(Obuffer-Obuffer[i+1]+1);++i)
{
	printf("\n");
	for(j=0;j<CycleLength;++j)
		printf("%u ",Mbuffer[j]);
}


return 0;
}

void ThreeNPlusOne(unsigned low,unsigned high,unsigned Mbuffer[][30],unsigned CycleLength[]){

unsigned static count1=0;
unsigned static count2=0;
while(low++<=high){
	unsigned temp=low;
	while(temp){

		if(temp==1)
		{
			CycleLength[count2++]=count1;
			return ;
		}
		else if(temp%2!=0)
			{
				temp=3*temp+1;
				Mbuffer[count2][count1++]=temp;
			}
		else
			{
				temp/=2;
				Mbuffer[count2][count1++]=temp;
			
			}
		}
	}

}