⎡1⎦ Outer set

⎡1⎦ First inner set

(α) First book

Chapter 1First chapter (before part)

Chapter 2Second chapter (before part)

Chapter 3Fifth chapter (between parts)

Chapter 4Eighth chapter (after part)

Chapter 5Ninth chapter (after part)

(β) Second book

Chapter 1First chapter (before part)

Chapter 2Second chapter (before part)

Chapter 3Fifth chapter (between parts)

Chapter 4Eighth chapter (after part)

Chapter 5Ninth chapter (after part)

⎡2⎦ Second inner set

(α) First book

Chapter 1First chapter (before part)

Chapter 2Second chapter (before part)

Chapter 3Fifth chapter (between parts)

Chapter 4Eighth chapter (after part)

Chapter 5Ninth chapter (after part)