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A090737 as a triangular array

1
11
111
1221
12021
102201
1001001
11011011
111111111
1222222221
12000000021
102000000201
1002000002001
11022000022011

A090737 as a square array

11111111111111
1122001122001
120200120200
12211120022
1001120002
100120000
11120000
1120000
120000
12222
1002
100
11
1
11111111111111
1122001122001
120200120200
12211120022
1001120002
100120000
11120000
1120000
120000
12222
1002
100
11
1