This is the correct order of arrangement of chapters according to the archives:
Vol. 4 - Ch. 15-20
Vol. 5 - Ch. 21-29
Vol. 6 - Ch. 30-37
Vol. 7 - Ch. 38-44
Vol. 8 - Ch. 45-52
Vol. 9 - Ch. 53-60
Vol. 10 - Ch. 61-68
Vol. 11 - Ch. 69-71
In addition, the eng. translators abandoned the project, mixed up some chapters