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#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define MAX_DIGITS 3000
#define MIN_DIGITS 100
#define VARIATION 100
int main()
{
size_t size;
size_t i,j;
size_t sz;
size_t heavy_line;
char *number;//we don't want a stack overflow so it goes on the heap
scanf("%zu",&size);
scanf("%zu",&heavy_line);
number = malloc(sizeof(char)*(MAX_DIGITS+10+VARIATION));
if(number==NULL)return -1;
srand(time(NULL));
printf("%zu\n",size);
for(i=0;i<heavy_line && i<size;++i)
{
for(j=0;j<size;++j)
{
for(sz=MIN_DIGITS,number[sz+1]='\0'; sz>0 ;number[sz]=rand()%10+'0',--sz);
number[0]=rand()%9 + '1';
printf("%s ",number);
}
printf("\n");
}
if(heavy_line<size)
{
for(j=0;j<size;++j)
{
for(sz=(MAX_DIGITS-(rand()%(VARIATION+1))),number[sz+1]='\0'; sz>0 ;number[sz]=rand()%10+'0',--sz);
number[0]=rand()%9 + '1';
printf("%s ",number);
}
printf("\n");
}
for(++i;i<size;++i)
{
for(j=0;j<size;++j)
{
for(sz=MIN_DIGITS,number[sz+1]='\0'; sz>0 ;number[sz]=rand()%10+'0',--sz);
number[0]=rand()%9 + '1';
printf("%s ",number);
}
printf("\n");
}
return 0;
}
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