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A343044 as a triangular array

0
11
212
3333
43234
553355
6543456
77555577
878545878
9999559999
109891051098910
11119911111111991111
12111091011611109101112

A343044 as a square array

0123456789101112
11335577991111
232345898910
3333559999
454545101110
5555551111
678910116
77991111
898910
9999
101110
1111
12
0123456789101112
11335577991111
232345898910
3333559999
454545101110
5555551111
678910116
77991111
898910
9999
101110
1111
12