Thread: how to print this shape?

hi all,
i am new here..
and i need help..

when we print this shape

1
2 3
3 4 5
4 5 6 7
5 6 7 8 9
6 7 8 9 10 11
7 8 9 10 11 12 13
8 9 10 11 12 13 14 15

we print this program..

Code:

for(i=1;i<=8;i++)
{
k=i;
for(j=1;j<=i;j++)
{
cout<<k;
k++;
}
cout<<endl;
}

i have programed that
but when my teacher ask me this one
in this one i need help
1
5 3
6 4 5
7 5 6 7
8 6 7 8 9
7 8 9 10 11
8 9 10 11 12 13
9 10 11 12 13 14 15

please help me...