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This diagram shows a rectangle with short vertical sides and longer horizontal sides. It is divided into seven sections. Reading from left to right, these are labelled LDC, BIS, LDC, BIS, LDC, BIS, LDC. The LDC sections are white and the BIS sections are shaded blue.

The first LDC section has a bracket above it, with the number 38. This represents 38 bytes of encoded user data.

The first BIS section has a bracket above it, with the number 1. This represents a single byte of BIS data.

The entire lower edge of the rectangle has a bracket below it, with the number 155. This represents the number of columns.

The left vertical side of the rectangle has a bracket beside it, with the number 496. This represents the number of rows.

 Reed-Solomon codes and error correction continued