This graphic shows a long rectangle that contains the following boxes: Column 1, Column 2, Column 3, Column 4, and Column 5. Column 1 is the largest box. Column 3 and Column 4 are smaller. Column 2 is the smallest box. Column 5 is next smallest.

Below the rectangle are four boxes: Data Block 1, Data Block 2, Data Block 3, and Data Block 4. The graphic indicates that column data can span multiple data blocks.