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A216191 as a triangular array

0
10
210
1210
23210
123210
2343210
12323210
212343210
3234543210
21234343210
32123

A216191 as a square array

012121212323
01232321212
0123432321
012323432
01234543
012343
01234
0123
012
01
0
012121212323
01232321212
0123432321
012323432
01234543
012343
01234
0123
012
01
0