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Create Q columns every 3 columns containing their sum

Another sampledataNode 2Node 3Node 4Node 5Node 7Node 8Node 6Node 9Node 10Node 11Node 12Node 13SampledataTable Creator Transpose Chunk Loop Start Math Formula(Multi Column) Column Splitter DuplicateRow Filter Column Rename(Regex) VariableExpressions ConstantValue Column RowID Concatenate Transpose Loop End (ColumnAppend) Table Creator Another sampledataNode 2Node 3Node 4Node 5Node 7Node 8Node 6Node 9Node 10Node 11Node 12Node 13SampledataTable Creator Transpose Chunk Loop Start Math Formula(Multi Column) Column Splitter DuplicateRow Filter Column Rename(Regex) VariableExpressions ConstantValue Column RowID Concatenate Transpose Loop End (ColumnAppend) Table Creator

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