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A374381 as a triangular array

1
2-1
1-11
1-1-1-1
11121
2-1-2-1-1-1
12111-11
2-1-2-11-12-1
1-11-21-21-11
1-1-1-12-11-1-1-1
11121211121
2-1-2-1-1-1-2-1-2-1-1-1

A374381 as a square array

121112121112
-1-1-11-12-1-1-11-1
1-11-21-21-11-2
-12-11-1-2-12-1
1-111121-1
-1-1-1-2-12-1
12111-2
-1-1-11-1
1-11-2
-12-1
1-1
-1
121112121112
-1-1-11-12-1-1-11-1
1-11-21-21-11-2
-12-11-1-2-12-1
1-111121-1
-1-1-1-2-12-1
12111-2
-1-1-11-1
1-11-2
-12-1
1-1
-1