What row of numbers comes next?!
Question:
What row of numbers comes next?
1
11
21
1211
111221
312211
13112221
1113213211
31131311131321
Answers:
1321131113311311131211
1
11
21
1211
111221
312211
13112221
1113213211
31131311131321
1321131113311311131211